{"id":16064,"date":"2024-01-20T09:04:11","date_gmt":"2024-01-20T05:34:11","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/"},"modified":"2024-01-20T09:04:11","modified_gmt":"2024-01-20T05:34:11","slug":"%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/","title":{"rendered":"\u0645\u062f\u06cc\u0631\u06cc\u062a CORS \u0628\u0627 Node.js \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 CORS \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645\u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f CORS \u0631\u0627 \u0628\u0627 Express \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u0627\u0646\u200c\u0627\u0641\u0632\u0627\u0631 CORS \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0648\u062f \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u062f.  \u0622\u0646\u0686\u0647 CORS CORS \u0627\u0633\u062a \u0645\u062e\u0641\u0641 \u0627\u0634\u062a\u0631\u0627\u06a9\u200c\u06af\u0630\u0627\u0631\u06cc \u0645\u0646\u0627\u0628\u0639 \u0645\u062a\u0642\u0627\u0637\u0639 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u06cc \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u062c\u0627\u0632\u0647 \u06cc\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627&#8230;"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#cors_%da%86%db%8c%d8%b3%d8%aa\" >CORS \u0686\u06cc\u0633\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_cors_%d8%a8%d8%a7_express\" >\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc CORS \u0628\u0627 Express<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#%d9%87%d9%85%d9%87_%d8%af%d8%b1%d8%ae%d9%88%d8%a7%d8%b3%d8%aa_%d9%87%d8%a7%db%8c_cors_%d8%b1%d8%a7_%d9%81%d8%b9%d8%a7%d9%84_%da%a9%d9%86%db%8c%d8%af\" >\u0647\u0645\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc CORS \u0631\u0627 \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#cors_%d8%b1%d8%a7_%d8%a8%d8%b1%d8%a7%db%8c_%db%8c%da%a9_%d9%85%d8%b3%db%8c%d8%b1_%d9%88%d8%a7%d8%ad%d8%af_%d9%81%d8%b9%d8%a7%d9%84_%da%a9%d9%86%db%8c%d8%af\" >CORS \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u0633\u06cc\u0631 \u0648\u0627\u062d\u062f \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#cors_%d8%b1%d8%a7_%d8%a8%d8%a7_%da%af%d8%b2%db%8c%d9%86%d9%87_%d9%87%d8%a7_%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_%da%a9%d9%86%db%8c%d8%af\" >CORS \u0631\u0627 \u0628\u0627 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_dynamic_cors_origins_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%db%8c%da%a9_%d8%aa%d8%a7%d8%a8%d8%b9\" >\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc Dynamic CORS Origins \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u0628\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#%d8%af%d8%b1_%d8%ad%d8%a7%d9%84_%d8%a8%d8%a7%d8%b1%da%af%db%8c%d8%b1%db%8c_%d9%81%d9%87%d8%b1%d8%b3%d8%aa_%d9%85%d8%a8%d8%af%d8%a7%d9%87%d8%a7%db%8c_%d9%85%d8%ac%d8%a7%d8%b2_%d8%a7%d8%b2_%d8%a8%d9%87_%d8%b9%d9%86%d9%88%d8%a7%d9%86_%d8%af%d8%a7%d8%af%d9%87_source\" >\u062f\u0631 \u062d\u0627\u0644 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0641\u0647\u0631\u0633\u062a \u0645\u0628\u062f\u0627\u0647\u0627\u06cc \u0645\u062c\u0627\u0632 \u0627\u0632 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062f\u0627\u062f\u0647 Source<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rasanegaar.com\/blog\/%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-cors-%d8%a8%d8%a7-node-js-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d9%85%d8%a7-%d9%82%d8%b5%d8%af-%d8%af%d8%a7%d8%b1%db%8c%d9%85\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 6<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div class=\"content\"><noscript><\/p>\n<style>.lazyload-placeholder { display: none;  }<\/style>\n<p><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 CORS \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645\u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f CORS \u0631\u0627 \u0628\u0627 Express \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u0627\u0646\u200c\u0627\u0641\u0632\u0627\u0631 CORS \u0631\u0627 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0648\u062f \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<h2 id=\"whatiscors\"><span class=\"ez-toc-section\" id=\"cors_%da%86%db%8c%d8%b3%d8%aa\"><\/span>CORS \u0686\u06cc\u0633\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><em>CORS<\/em> \u0645\u062e\u062a\u0635\u0631 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc <em>\u0627\u0634\u062a\u0631\u0627\u06a9 \u0645\u0646\u0627\u0628\u0639 \u0645\u062a\u0642\u0627\u0628\u0644<\/em>.  \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u06cc \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u062c\u0627\u0632\u0647 \u06cc\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0645\u0646\u0627\u0628\u0639 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u06cc \u0631\u0648\u06cc \u06cc\u06a9 \u0648\u0628 \u0633\u0631\u0648\u0631 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0648\u06cc \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a HTTP \u0622\u063a\u0627\u0632 \u0634\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062e\u0637 \u0645\u0634\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u0645\u0646 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0648\u0628 \u0633\u0631\u0648\u0631 \u062e\u0627\u0635 \u0627\u0632 \u062f\u0633\u062a\u0631\u0633\u06cc \u0633\u0627\u06cc\u0631 \u0648\u0628 \u0633\u0627\u06cc\u062a \u0647\u0627 \u06cc\u0627 \u062f\u0627\u0645\u0646\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0641\u0642\u0637 \u062f\u0627\u0645\u0646\u0647 \u0647\u0627\u06cc \u0645\u062c\u0627\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0645\u06cc\u0632\u0628\u0627\u0646\u06cc \u0634\u062f\u0647 \u062f\u0631 \u06cc\u06a9 \u0633\u0631\u0648\u0631 \u0645\u0627\u0646\u0646\u062f \u0634\u06cc\u0648\u0647 \u0646\u0627\u0645\u0647\u060c \u062a\u0635\u0648\u06cc\u0631 \u06cc\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u0647\u0633\u062a\u06cc\u062f \u0631\u0648\u06cc <code>http:\/\/example.com\/page1<\/code>  \u0648 \u0634\u0645\u0627 \u0628\u0647 \u062a\u0635\u0648\u06cc\u0631\u06cc \u0627\u0632 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f <code>http:\/\/image.com\/myimage.jpg<\/code> \u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u062a\u0635\u0648\u06cc\u0631 \u0631\u0627 \u0648\u0627\u06a9\u0634\u06cc \u06a9\u0646\u06cc\u062f \u0645\u06af\u0631 \u0627\u06cc\u0646\u06a9\u0647 <code>http:\/\/image.com<\/code> \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06af\u0630\u0627\u0631\u06cc \u0628\u0627 \u0645\u0628\u062f\u0627 \u0645\u062a\u0642\u0627\u0628\u0644 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f <code>http:\/\/example.com<\/code>.<\/p>\n<p>\u06cc\u06a9 \u0647\u062f\u0631 HTTP \u0628\u0647 \u0646\u0627\u0645 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f <code>origin<\/code> \u062f\u0631 \u0647\u0631 \u062f\u0631\u062e\u0648\u0627\u0633\u062a HTTP  \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062f\u0627\u0645\u0646\u0647 \u0627\u0632 \u06a9\u062c\u0627 \u0646\u0634\u0627\u062a \u06af\u0631\u0641\u062a\u0647 \u0627\u0633\u062a.  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u062f\u0631 \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u06cc\u0627 \u0627\u062c\u0627\u0632\u0647 \u062f\u0627\u062f\u0646 \u0628\u0647 \u0645\u0646\u0627\u0628\u0639 \u0633\u0631\u0648\u0631 \u0648\u0628 \u062e\u0648\u062f \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<blockquote>\n<p>\u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0647\u0631 \u0645\u0646\u0628\u0639 \u062f\u06cc\u06af\u0631\u06cc \u062a\u0648\u0633\u0637 \u0645\u0631\u0648\u0631\u06af\u0631 \u0645\u062d\u062f\u0648\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<\/blockquote>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0647\u0646\u0648\u0632 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u062a\u0648\u0633\u0639\u0647 \u0647\u0633\u062a\u06cc\u062f &#8211; \u0627\u06af\u0631 \u0627\u0632 \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 frontend \u0645\u0627\u0646\u0646\u062f React \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0631\u0646\u0627\u0645\u0647 front end \u0634\u0645\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0631\u0648\u06cc <code>http:\/\/localhost:3000<\/code>.  \u062f\u0631 \u0647\u0645\u06cc\u0646 \u062d\u0627\u0644\u060c \u0633\u0631\u0648\u0631 Express \u0634\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u062d\u0627\u0644 \u0627\u062c\u0631\u0627 \u0628\u0627\u0634\u062f \u0631\u0648\u06cc \u06cc\u06a9 \u067e\u0648\u0631\u062a \u0645\u062a\u0641\u0627\u0648\u062a \u0645\u0627\u0646\u0646\u062f <code>http:\/\/localhost:2020<\/code>.<\/p>\n<p>\u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644\u060c \u0628\u0627\u06cc\u062f CORS \u0631\u0627 \u0628\u06cc\u0646 \u0622\u0646 \u0633\u0631\u0648\u0631\u0647\u0627 \u0645\u062c\u0627\u0632 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u062e\u0637\u0627\u06cc \u0631\u0627\u06cc\u062c \u0631\u0627 \u062f\u0631 \u0645\u0631\u0648\u0631\u06af\u0631 \u062e\u0648\u062f \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0631\u062f\u06cc\u062f console.  \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc CORS \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0634\u06a9\u0644 \u0628\u0627\u0634\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/handling-cors-with-node-js-1.png\" alt=\"\u06a9\u0648\u0631\u0647\u0627\u06cc \u06a9\u0631\u0648\u0645\" title=\"\"><\/p>\n<p>CORS \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u06cc\u06a9 API \u0639\u0645\u0648\u0645\u06cc \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0645\u0646\u0627\u0628\u0639 \u062e\u0627\u0635\u06cc \u0648 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0641\u0631\u0627\u062f \u0627\u0632 \u0622\u0646\u0647\u0627 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f\u060c \u0648\u0627\u0642\u0639\u0627 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0632 API \u06cc\u0627 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0631\u0648\u06cc \u06cc\u06a9 \u0648\u0628 \u0645\u062a\u0641\u0627\u0648\u062a page \u0634\u0645\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f CORS \u0631\u0627 \u0637\u0648\u0631\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062f\u06cc\u06af\u0631\u0627\u0646 \u0631\u0627 \u0645\u0633\u062f\u0648\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n<h2 id=\"configuringcorswithexpress\"><span class=\"ez-toc-section\" id=\"%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_cors_%d8%a8%d8%a7_express\"><\/span>\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc CORS \u0628\u0627 Express<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u062c\u062f\u06cc\u062f \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645.  \u06cc\u06a9 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0622\u0646 \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645\u060c \u0622\u0646 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>npm init<\/code> \u0628\u0627 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> mkdir myapp<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> <span class=\"hljs-built_in\">cd<\/span> myapp<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm init -y<\/span>\n<\/code><\/pre>\n<p>\u0633\u067e\u0633 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0631\u0627 \u0646\u0635\u0628 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>express<\/code> \u0648 <code>cors<\/code> \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm i --save express<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm i --save cors<\/span>\n<\/code><\/pre>\n<p>\u0633\u067e\u0633 \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0634\u0631\u0648\u0639 \u0628\u0647 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u0628 \u0627\u06a9\u0633\u067e\u0631\u0633 \u0628\u0627 \u062f\u0648 \u0645\u0633\u06cc\u0631 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u0645 CORS \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u0627 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0628\u0627 \u0646\u0627\u0645 <code>index.js<\/code> \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0648\u0628 \u0633\u0631\u0648\u0631 \u0628\u0627 \u0686\u0646\u062f \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> express = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'express'<\/span>);\n<span class=\"hljs-keyword\">const<\/span> cors = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'cors'<\/span>);\n\n<span class=\"hljs-keyword\">const<\/span> app = express();\n\napp.get(<span class=\"hljs-string\">'\/'<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n    res.json({\n        <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Hello World'<\/span>\n    });\n});\n\napp.get(<span class=\"hljs-string\">'\/:name'<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">let<\/span> name = req.params.name;\n\n    res.json({\n        <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">`Hello <span class=\"hljs-subst\">${name}<\/span>`<\/span>\n    });\n});\n\napp.listen(<span class=\"hljs-number\">2020<\/span>, <span class=\"hljs-function\">() =&gt;<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'server is listening \u0631\u0648\u06cc port 2020'<\/span>);\n});\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0648 \u0633\u0631\u0648\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> node index.js<\/span>\n<\/code><\/pre>\n<p>\u062d\u0627\u0644\u0627 \u0627\u06af\u0631 \u0628\u0647 <code>http:\/\/localhost:2020\/<\/code> &#8211; \u0633\u0631\u0648\u0631 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u067e\u06cc\u0627\u0645 JSON \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">{\n  <span class=\"hljs-attr\">\"message\"<\/span>: <span class=\"hljs-string\">\"Hello World\"<\/span>\n}\n<\/code><\/pre>\n<p>\u0645\u062a\u0646\u0627\u0648\u0628\u0627\u060c \u0627\u06af\u0631 \u0628\u0647 <code>http:\/\/localhost:2020\/something<\/code> \u0628\u0627\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc:<\/p>\n<pre><code class=\"hljs\">{\n  <span class=\"hljs-attr\">\"message\"<\/span>: <span class=\"hljs-string\">\"Hello something\"<\/span>\n}\n<\/code><\/pre>\n<h2 id=\"enableallcorsrequests\"><span class=\"ez-toc-section\" id=\"%d9%87%d9%85%d9%87_%d8%af%d8%b1%d8%ae%d9%88%d8%a7%d8%b3%d8%aa_%d9%87%d8%a7%db%8c_cors_%d8%b1%d8%a7_%d9%81%d8%b9%d8%a7%d9%84_%da%a9%d9%86%db%8c%d8%af\"><\/span>\u0647\u0645\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc CORS \u0631\u0627 \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f CORS \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627 \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>cors<\/code> \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631 \u0642\u0628\u0644 \u0627\u0632 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u0633\u06cc\u0631\u0647\u0627\u06cc \u062e\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> express = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'express'<\/span>);\n<span class=\"hljs-keyword\">const<\/span> cors = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'cors'<\/span>);\n\n<span class=\"hljs-keyword\">const<\/span> app = express();\n\napp.use(cors())\n\n......\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0647\u0645\u0647 \u0645\u0633\u06cc\u0631\u0647\u0627 \u062f\u0631 \u0647\u0631 \u0646\u0642\u0637\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f \u0631\u0648\u06cc \u0648\u0628 \u0627\u06af\u0631 \u0622\u0646 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0645\u0627\u060c \u0647\u0631 \u062f\u0648 \u0645\u0633\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0627\u0645\u0646\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u0633\u0631\u0648\u0631 \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0627\u062c\u0631\u0627 \u0627\u0633\u062a \u0631\u0648\u06cc <code>http:\/\/www.example.com<\/code>  \u0648 \u0645\u062d\u062a\u0648\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u062a\u0635\u0627\u0648\u06cc\u0631 \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f &#8211; \u0645\u0627 \u0628\u0647 \u062f\u0627\u0645\u0646\u0647 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0627\u0646\u0646\u062f <code>http:\/\/www.differentdomain.com<\/code> \u0628\u0631\u0627\u06cc \u0627\u0631\u062c\u0627\u0639 \u0645\u0637\u0627\u0644\u0628 \u0627\u0632 <code>http:\/\/www.example.com<\/code>.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u06cc\u06a9 \u0648\u0628 page \u0631\u0648\u06cc <code>http:\/\/www.differentdomain.com<\/code>  \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u0645\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0646\u0628\u0639 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">img<\/span> <span class=\"hljs-attr\">src<\/span>=<span class=\"hljs-string\">\"http:\/\/www.example.com\/img\/cat.jpg\"<\/span>&gt;<\/span>\n<\/code><\/pre>\n<h2 id=\"enablecorsforasingleroute\"><span class=\"ez-toc-section\" id=\"cors_%d8%b1%d8%a7_%d8%a8%d8%b1%d8%a7%db%8c_%db%8c%da%a9_%d9%85%d8%b3%db%8c%d8%b1_%d9%88%d8%a7%d8%ad%d8%af_%d9%81%d8%b9%d8%a7%d9%84_%da%a9%d9%86%db%8c%d8%af\"><\/span>CORS \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u0633\u06cc\u0631 \u0648\u0627\u062d\u062f \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0645\u0627 \u0627\u06af\u0631 \u0628\u0647 \u0645\u0633\u06cc\u0631 \u062e\u0627\u0635\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0627\u0634\u062f \u0646\u0647 \u0645\u0633\u06cc\u0631\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f <code>cors<\/code> \u062f\u0631 \u06cc\u06a9 \u0645\u0633\u06cc\u0631 \u062e\u0627\u0635 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u06cc\u0627\u0646\u200c\u0627\u0641\u0632\u0627\u0631 \u0628\u0647 \u062c\u0627\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0622\u0646 \u062f\u0631 \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647:<\/p>\n<pre><code class=\"hljs\">app.get(<span class=\"hljs-string\">'\/'<\/span>, cors(), <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n    res.json({\n        <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Hello World'<\/span>\n    });\n});\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u06cc\u06a9 \u0645\u0633\u06cc\u0631 \u062e\u0627\u0635 \u062a\u0648\u0633\u0637 \u0647\u0631 \u062f\u0627\u0645\u0646\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0627\u0634\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u0634\u0645\u0627\u060c \u0641\u0642\u0637 <code>\/<\/code> \u0645\u0633\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0627\u0645\u0646\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.  \u0627\u06cc\u0646 <code>\/:name<\/code> \u0645\u0633\u06cc\u0631 \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc\u06cc \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f \u06a9\u0647 \u062f\u0631 \u0647\u0645\u0627\u0646 \u062f\u0627\u0645\u0646\u0647 API \u0622\u063a\u0627\u0632 \u0634\u062f\u0647\u200c\u0627\u0646\u062f <code>http:\/\/localhost:2020<\/code> \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0627.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0648\u0627\u06a9\u0634\u06cc \u0628\u0647 <code>\/<\/code> \u0645\u0633\u06cc\u0631\u06cc \u0627\u0632 \u0645\u0628\u062f\u0623 \u0645\u062a\u0641\u0627\u0648\u062a &#8211; \u0645\u0648\u0641\u0642\u06cc\u062a \u0622\u0645\u06cc\u0632 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f \u0648 \u0634\u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f <code>Hello World<\/code> \u067e\u06cc\u0627\u0645 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0633\u062e:<\/p>\n<pre><code class=\"hljs\">fetch(<span class=\"hljs-string\">'http:\/\/localhost:2020\/'<\/span>)\n    .then(<span class=\"hljs-function\"><span class=\"hljs-params\">response<\/span> =&gt;<\/span> response.json())\n    .then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.log(data))\n    .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.error(err));\n<\/code><\/pre>\n<p>\u0628\u0627\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u067e\u0627\u0633\u062e \u0633\u0631\u0648\u0631 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u0627\u0633\u062a console \u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">{\n    <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Hello World'<\/span>\n}\n<\/code><\/pre>\n<p>\u0627\u0645\u0627 \u0627\u06af\u0631 \u0633\u0639\u06cc \u06a9\u0646\u06cc\u062f \u0628\u0647 \u0645\u0633\u06cc\u0631 \u062f\u06cc\u06af\u0631\u06cc \u063a\u06cc\u0631 \u0627\u0632 \u0645\u0633\u06cc\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f root \u0645\u0633\u06cc\u0631\u06cc \u0645\u0627\u0646\u0646\u062f <code>http:\/\/localhost:2020\/name<\/code> \u06cc\u0627 <code>http:\/\/localhost:2020\/img\/cat.png<\/code> \u0627\u06cc\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062a\u0648\u0633\u0637 \u0645\u0631\u0648\u0631\u06af\u0631 \u0645\u0633\u062f\u0648\u062f \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">fetch(<span class=\"hljs-string\">'http:\/\/localhost:2020\/name\/janith'<\/span>)\n  .then(<span class=\"hljs-function\"><span class=\"hljs-params\">response<\/span> =&gt;<\/span> response.json())\n  .then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.log(data))\n  .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.error(err));\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u0628 \u062f\u06cc\u06af\u0631\u06cc \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u062e\u0637\u0627\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/handling-cors-with-node-js-2.png\" alt=\"console  \u062e\u0637\u0627\" title=\"\"><\/p>\n<h2 id=\"configurecorswithoptions\"><span class=\"ez-toc-section\" id=\"cors_%d8%b1%d8%a7_%d8%a8%d8%a7_%da%af%d8%b2%db%8c%d9%86%d9%87_%d9%87%d8%a7_%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_%da%a9%d9%86%db%8c%d8%af\"><\/span>CORS \u0631\u0627 \u0628\u0627 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0628\u0627 CORS \u0628\u0631\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc\u200c\u0633\u0627\u0632\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0628\u0631\u0627\u06cc \u0627\u062c\u0627\u0632\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u06cc\u06a9 \u062f\u0627\u0645\u0646\u0647 \u06cc\u0627 \u0632\u06cc\u0631 \u062f\u0627\u0645\u0646\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0631\u0648\u0634 \u0647\u0627\u06cc HTTP \u0645\u062c\u0627\u0632 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0645\u0627\u0646\u0646\u062f <code>GET<\/code> \u0648 <code>POST<\/code> \u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0648\u06cc \u0646\u06cc\u0627\u0632\u0645\u0646\u062f\u06cc\u0647\u0627\u06cc \u0634\u0645\u0627.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0631\u0648\u0634 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u06cc\u06a9 \u062f\u0627\u0645\u0646\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc CORS \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">var<\/span> corsOptions = {\n    <span class=\"hljs-attr\">origin<\/span>: <span class=\"hljs-string\">'http:\/\/localhost:8080'<\/span>,\n    <span class=\"hljs-attr\">optionsSuccessStatus<\/span>: <span class=\"hljs-number\">200<\/span> <span class=\"hljs-comment\">\/\/ For legacy browser support<\/span>\n}\n\napp.use(cors(corsOptions));\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0646\u0627\u0645 \u062f\u0627\u0645\u0646\u0647 \u0631\u0627 \u062f\u0631 \u0645\u0628\u062f\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f &#8211; \u0633\u0631\u0648\u0631 \u0628\u0647 CORS \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0634\u062f\u0647 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 API \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0646 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f <code>http:\/\/localhost:8080<\/code> \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0627 \u0648 \u0628\u0631\u0627\u06cc \u062f\u0627\u0645\u0646\u0647 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0633\u062f\u0648\u062f \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06af\u0631 \u0645\u0627 \u0628\u0641\u0631\u0633\u062a\u06cc\u0645 <code>GET<\/code> \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u060c \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0647\u0631 \u0645\u0633\u06cc\u0631\u06cc \u0628\u0627\u06cc\u062f \u06a9\u0627\u0631 \u06a9\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 \u062f\u0631 \u0633\u0637\u062d \u0628\u0631\u0646\u0627\u0645\u0647 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0646\u0647 \u062f\u0631 \u0633\u0637\u062d \u0639\u0645\u0644\u06a9\u0631\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06af\u0631 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 \u0648 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u06cc \u0627\u0632 \u0622\u0646 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u0645 <code>http:\/\/localhost:8080<\/code> \u0628\u0647 <code>http:\/\/localhost:2020<\/code>:<\/p>\n<pre><code class=\"hljs\">fetch(<span class=\"hljs-string\">'http:\/\/localhost:2020\/'<\/span>)\n  .then(<span class=\"hljs-function\"><span class=\"hljs-params\">response<\/span> =&gt;<\/span> response.json())\n  .then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.log(data))\n  .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.error(err));\n\n<span class=\"hljs-comment\">\/\/ Or<\/span>\n\nfetch(<span class=\"hljs-string\">'http:\/\/localhost:2020\/name\/janith'<\/span>)\n  .then(<span class=\"hljs-function\"><span class=\"hljs-params\">response<\/span> =&gt;<\/span> response.json())\n  .then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.log(data))\n  .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.error(err));\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u062c\u0627\u0632 \u0628\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u0632 \u0622\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648 \u062f\u0627\u0645\u0646\u0647 \u0647\u0633\u062a\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u0645\u0627\u06cc\u0644 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u062c\u0627\u0632 HTTP \u0631\u0627 \u0646\u06cc\u0632 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">var<\/span> corsOptions = {\n    <span class=\"hljs-attr\">origin<\/span>: <span class=\"hljs-string\">'http:\/\/localhost:8080'<\/span>,\n    <span class=\"hljs-attr\">optionsSuccessStatus<\/span>: <span class=\"hljs-number\">200<\/span> <span class=\"hljs-comment\">\/\/ For legacy browser support<\/span>\n    <span class=\"hljs-attr\">methods<\/span>: <span class=\"hljs-string\">\"GET, PUT\"<\/span>\n}\n\napp.use(cors(corsOptions));\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0645\u0627 \u0628\u0641\u0631\u0633\u062a\u06cc\u0645 <code>POST<\/code> \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0627\u0632 <code>http:\/\/localhost:8080<\/code>\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062a\u0646\u0647\u0627 \u062a\u0648\u0633\u0637 \u0645\u0631\u0648\u0631\u06af\u0631 \u0645\u0633\u062f\u0648\u062f \u0645\u06cc \u0634\u0648\u062f <code>GET<\/code> \u0648 <code>PUT<\/code> \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">fetch(<span class=\"hljs-string\">'http:\/\/localhost:2020'<\/span>, {\n  <span class=\"hljs-attr\">method<\/span>: <span class=\"hljs-string\">'POST'<\/span>,\n  <span class=\"hljs-attr\">body<\/span>: <span class=\"hljs-built_in\">JSON<\/span>.stringify({<span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">\"janith\"<\/span>}),\n})\n.then(<span class=\"hljs-function\"><span class=\"hljs-params\">response<\/span> =&gt;<\/span> response.json())\n.then(<span class=\"hljs-function\"><span class=\"hljs-params\">data<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.log(data))\n.catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> <span class=\"hljs-built_in\">console<\/span>.error(err));\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u0645\u0634\u0627\u0647\u062f\u0647 \u0644\u06cc\u0633\u062a \u06a9\u0627\u0645\u0644 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc\u060c \u0644\u0637\u0641\u0627\u064b \u0628\u0647 \u0622\u062f\u0631\u0633 \u0645\u0631\u0627\u062c\u0639\u0647 \u06a9\u0646\u06cc\u062f <a rel=\"nofollow noopener\" target=\"_blank\" href=\"\/\/www.npmjs.com\/package\/cors#configuration-options&gt;\">\u0627\u0633\u0646\u0627\u062f \u0631\u0633\u0645\u06cc<\/a>.<\/p>\n<h2 id=\"configuringdynamiccorsoriginsusingafunction\"><span class=\"ez-toc-section\" id=\"%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_dynamic_cors_origins_%d8%a8%d8%a7_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%db%8c%da%a9_%d8%aa%d8%a7%d8%a8%d8%b9\"><\/span>\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc Dynamic CORS Origins \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u0628\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc\u200c\u0647\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0631\u062f\u0646 CORS \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9\u200c\u06af\u0630\u0627\u0631\u06cc CORS \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f <code>.jpg<\/code> \u0641\u0627\u06cc\u0644 \u0647\u0627 <code>http:\/\/something.com<\/code> \u0648 <code>http:\/\/example.com<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> allowlist = (<span class=\"hljs-string\">'http:\/\/something.com'<\/span>, <span class=\"hljs-string\">'http:\/\/example.com'<\/span>);\n\n    <span class=\"hljs-keyword\">const<\/span> corsOptionsDelegate = <span class=\"hljs-function\">(<span class=\"hljs-params\">req, callback<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">let<\/span> corsOptions;\n\n    <span class=\"hljs-keyword\">let<\/span> isDomainAllowed = whitelist.indexOf(req.header(<span class=\"hljs-string\">'Origin'<\/span>)) !== -<span class=\"hljs-number\">1<\/span>;\n    <span class=\"hljs-keyword\">let<\/span> isExtensionAllowed = req.path.endsWith(<span class=\"hljs-string\">'.jpg'<\/span>);\n\n    <span class=\"hljs-keyword\">if<\/span> (isDomainAllowed &amp;&amp; isExtensionAllowed) {\n        <span class=\"hljs-comment\">\/\/ Enable CORS for this request<\/span>\n        corsOptions = { <span class=\"hljs-attr\">origin<\/span>: <span class=\"hljs-literal\">true<\/span> }\n    } <span class=\"hljs-keyword\">else<\/span> {\n        <span class=\"hljs-comment\">\/\/ Disable CORS for this request<\/span>\n        corsOptions = { <span class=\"hljs-attr\">origin<\/span>: <span class=\"hljs-literal\">false<\/span> }\n    }\n    callback(<span class=\"hljs-literal\">null<\/span>, corsOptions)\n}\n\napp.use(cors(corsOptionsDelegate));\n<\/code><\/pre>\n<p>\u062a\u0627\u0628\u0639 callback \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f.  \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f \u062e\u0637\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u0639\u0628\u0648\u0631 \u06a9\u0631\u062f\u06cc\u0645 <code>null<\/code> \u0648 \u062f\u0648\u0645\u06cc \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u0639\u0628\u0648\u0631 \u06a9\u0631\u062f\u06cc\u0645 <code>{ origin: false }<\/code>.  \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062f\u0648\u0645 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0628\u0627\u0634\u062f \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0633\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f <code>request<\/code> \u0634\u06cc\u0621 \u0627\u0632 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a Express.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u0628 \u06a9\u0647 \u0645\u06cc\u0632\u0628\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f \u0631\u0648\u06cc <code>http:\/\/something.com<\/code>  \u06cc\u0627 <code>http:\/\/example.com<\/code> \u0642\u0627\u062f\u0631 \u0628\u0647 \u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0627 <code>.jpg<\/code> \u067e\u0633\u0648\u0646\u062f \u0627\u0632 \u0633\u0631\u0648\u0631 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u062a\u0627\u0628\u0639 \u0633\u0641\u0627\u0631\u0634\u06cc \u062e\u0648\u062f \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u067e\u06cc\u0648\u0633\u062a \u062a\u0635\u0648\u06cc\u0631 \u0632\u06cc\u0631 \u0627\u0632 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0645\u0648\u0641\u0642 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">img<\/span> <span class=\"hljs-attr\">src<\/span>=<span class=\"hljs-string\">\"http:\/\/yourdomain.com\/img\/cat.jpg\"<\/span>&gt;<\/span>\n<\/code><\/pre>\n<p>\u0627\u0645\u0627 \u067e\u06cc\u0648\u0633\u062a \u0632\u06cc\u0631 \u0645\u0633\u062f\u0648\u062f \u062e\u0648\u0627\u0647\u062f \u0634\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">img<\/span> <span class=\"hljs-attr\">src<\/span>=<span class=\"hljs-string\">\"http:\/\/yourdomain.com\/img\/cat.png\"<\/span>&gt;<\/span>\n<\/code><\/pre>\n<h2 id=\"loadinglistofallowedoriginsfromasdatasource\"><span class=\"ez-toc-section\" id=\"%d8%af%d8%b1_%d8%ad%d8%a7%d9%84_%d8%a8%d8%a7%d8%b1%da%af%db%8c%d8%b1%db%8c_%d9%81%d9%87%d8%b1%d8%b3%d8%aa_%d9%85%d8%a8%d8%af%d8%a7%d9%87%d8%a7%db%8c_%d9%85%d8%ac%d8%a7%d8%b2_%d8%a7%d8%b2_%d8%a8%d9%87_%d8%b9%d9%86%d9%88%d8%a7%d9%86_%d8%af%d8%a7%d8%af%d9%87_source\"><\/span>\u062f\u0631 \u062d\u0627\u0644 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0641\u0647\u0631\u0633\u062a \u0645\u0628\u062f\u0627\u0647\u0627\u06cc \u0645\u062c\u0627\u0632 \u0627\u0632 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062f\u0627\u062f\u0647 Source<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0641\u0647\u0631\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u0647\u0627\u06cc \u0645\u062c\u0627\u0632 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06cc\u0627 \u0627\u0632 \u0647\u0631 \u0645\u0646\u0628\u0639 \u062f\u0627\u062f\u0647 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646 \u0628\u0631\u0627\u06cc \u0627\u062c\u0627\u0632\u0647 \u062f\u0627\u062f\u0646 \u0628\u0647 CORS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">var<\/span> corsOptions = {\n    <span class=\"hljs-attr\">origin<\/span>: <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> (<span class=\"hljs-params\">origin, callback<\/span>) <\/span>{\n        <span class=\"hljs-comment\">\/\/ Loading a list of allowed origins from the database<\/span>\n        <span class=\"hljs-comment\">\/\/ Ex.. origins = ('http:\/\/example.com', 'http\/\/something.com')<\/span>\n        database.loadOrigins(<span class=\"hljs-function\">(<span class=\"hljs-params\">error, origins<\/span>) =&gt;<\/span> {\n            callback(error, origins);\n        });\n    }\n}\n\napp.use(cors(corsOptions));\n<\/code><\/pre>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u0645 \u06a9\u0647 CORS \u0686\u06cc\u0633\u062a \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 Express \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f.  \u0633\u067e\u0633\u060c \u0645\u0627 CORS \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u060c \u0628\u0631\u0627\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u062e\u0627\u0635\u060c \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627 \u0648 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0631\u0627\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u067e\u0648\u06cc\u0627 CORS \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u0645.<\/p>\n<\/div>\n<p>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0631\u062c\u0645\u0647)# \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-20 09:04:03<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;16064&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0645\u062f\u06cc\u0631\u06cc\u062a CORS \u0628\u0627 Node.js \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 CORS \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645\u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f CORS \u0631\u0627 \u0628\u0627 Express \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u0627\u0646\u200c\u0627\u0641\u0632\u0627\u0631 CORS \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0648\u062f \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u062f.  \u0622\u0646\u0686\u0647 CORS CORS \u0627\u0633\u062a \u0645\u062e\u0641\u0641 \u0627\u0634\u062a\u0631\u0627\u06a9\u200c\u06af\u0630\u0627\u0631\u06cc \u0645\u0646\u0627\u0628\u0639 \u0645\u062a\u0642\u0627\u0637\u0639 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u06cc \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u062c\u0627\u0632\u0647 \u06cc\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627...&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 6<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 CORS \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645\u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f CORS \u0631\u0627 \u0628\u0627 Express \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u0627\u0646\u200c\u0627\u0641\u0632\u0627\u0631 CORS \u0631\u0627 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0648\u062f \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u062f. CORS \u0686\u06cc\u0633\u062a CORS \u0645\u062e\u062a\u0635\u0631 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u0634\u062a\u0631\u0627\u06a9 \u0645\u0646\u0627\u0628\u0639 \u0645\u062a\u0642\u0627\u0628\u0644. \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u06cc \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u062c\u0627\u0632\u0647 \u06cc\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0645\u0646\u0627\u0628\u0639 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u06cc \u0631\u0648\u06cc \u06cc\u06a9 \u0648\u0628 \u0633\u0631\u0648\u0631 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0648\u06cc [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1772,620],"tags":[],"class_list":["post-16064","post","type-post","status-publish","format-standard","hentry","category-javascript","category-programming"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=16064"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16064\/revisions"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=16064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=16064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=16064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}