{"id":3352,"date":"2016-07-21T09:19:18","date_gmt":"2016-07-21T09:19:18","guid":{"rendered":"https:\/\/kiencang.net\/?p=3352"},"modified":"2016-07-21T09:19:18","modified_gmt":"2016-07-21T09:19:18","slug":"javascript-json","status":"publish","type":"post","link":"https:\/\/kiencang.net\/javascript-json\/","title":{"rendered":"JavaScript JSON"},"content":{"rendered":"\n<p>JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u00f9ng cho l\u01b0u tr\u1eef v\u00e0 chuy\u1ec3n d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>jSON th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb server \u0111\u1ebfn trang web.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d6b85a6ae\" ><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d6b85a6ae\"  type=\"checkbox\" id=\"item-6577d6b85a6ae\"><\/a><\/span><\/div>\n<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:\/\/kiencang.net\/javascript-json\/#JSON_la_gi\" title=\"JSON l\u00e0 g\u00ec?\">JSON l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/javascript-json\/#Vi_du_ve_JSON\" title=\"V\u00ed d\u1ee5 v\u1ec1 JSON\">V\u00ed d\u1ee5 v\u1ec1 JSON<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kiencang.net\/javascript-json\/#Cac_dinh_dang_JSON_uoc_luong_cho_cac_doi_tuong_JavaScript\" title=\"C\u00e1c \u0111\u1ecbnh d\u1ea1ng JSON \u1ee9\u1edbc l\u01b0\u1ee3ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript\">C\u00e1c \u0111\u1ecbnh d\u1ea1ng JSON \u1ee9\u1edbc l\u01b0\u1ee3ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/javascript-json\/#Cac_quy_tac_cu_phap_cua_JSON\" title=\"C\u00e1c quy t\u1eafc c\u00fa ph\u00e1p c\u1ee7a JSON\">C\u00e1c quy t\u1eafc c\u00fa ph\u00e1p c\u1ee7a JSON<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/javascript-json\/#Du_lieu_JSON_%E2%80%93_Ten_va_Gia_tri\" title=\"D\u1eef li\u1ec7u JSON &#8211; T\u00ean v\u00e0 Gi\u00e1 tr\u1ecb\">D\u1eef li\u1ec7u JSON &#8211; T\u00ean v\u00e0 Gi\u00e1 tr\u1ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/javascript-json\/#Cac_doi_tuong_JSON\" title=\"C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JSON\">C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JSON<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/javascript-json\/#Mang_JSON\" title=\"M\u1ea3ng JSON\">M\u1ea3ng JSON<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/javascript-json\/#Thuc_hien_chuyen_doi_van_ban_jSON_thanh_doi_tuong_JavaScript\" title=\"Th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n jSON th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript\">Th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n jSON th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JSON_la_gi\"><\/span>JSON l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul><li>jSON l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a <strong>J<\/strong>ava<strong>S<\/strong>cript <strong>O<\/strong>bject <strong>N<\/strong>otation<\/li><li>JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng trao \u0111\u1ed5i d\u1eef li\u1ec7u nh\u1eb9<\/li><li>JSON l\u00e0 ng\u00f4n ng\u1eef \u0111\u1ed9c l\u1eadp <b>*<\/b><\/li><li>JSON l\u00e0 &#8220;t\u1ef1 m\u00f4 t\u1ea3&#8221; v\u00e0 d\u1ec5 hi\u1ec3u<\/li><\/ul>\n\n\n\n<p>* C\u00fa ph\u00e1p c\u1ee7a JSON b\u1eaft ngu\u1ed3n t\u1eeb c\u00fa ph\u00e1p k\u00fd hi\u1ec7u \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript, nh\u01b0ng \u0111\u1ecbnh d\u1ea1ng JSON ch\u1ec9 l\u00e0 v\u0103n b\u1ea3n. M\u00e3 \u0111\u1ec3 \u0111\u1ecdc v\u00e0 t\u1ea1o ra d\u1eef li\u1ec7u JSON c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng b\u1ea5t k\u1ef3 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vi_du_ve_JSON\"><\/span>V\u00ed d\u1ee5 v\u1ec1 JSON<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 c\u00fa ph\u00e1p jSON \u0111\u1ecbnh ngh\u0129a \u0111\u1ed1i t\u01b0\u1ee3ng nh\u00e2n vi\u00ean: m\u1ed9t m\u1ea3ng c\u00f3 3 b\u1ea3n ghi nh\u00e2n vi\u00ean (\u0111\u1ed1i t\u01b0\u1ee3ng):<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n\"employees\":&#91;\n{\"firstName\":\"\u0110\u1ee9c Anh\", \"lastName\":\"Nguy\u1ec5n\"},\n{\"firstName\":\"B\u1ea3o Hu\u1ef3nh\", \"lastName\":\"Th\u00e1i\"},\n{\"firstName\":\"\u0110\u0103ng D\u0169ng\", \"lastName\":\"Nguy\u1ec5n\"}\n]\n}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_dinh_dang_JSON_uoc_luong_cho_cac_doi_tuong_JavaScript\"><\/span>C\u00e1c \u0111\u1ecbnh d\u1ea1ng JSON \u1ee9\u1edbc l\u01b0\u1ee3ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ecbnh d\u1ea1ng JSON c\u00f3 c\u00fa ph\u00e1p gi\u1ed1ng h\u1ec7t v\u1edbi m\u00e3 cho vi\u1ec7c t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript.<\/p>\n\n\n\n<p>Do s\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng n\u00e0y, m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh JavaScript c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u JSON th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript nguy\u00ean g\u1ed1c.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_quy_tac_cu_phap_cua_JSON\"><\/span>C\u00e1c quy t\u1eafc c\u00fa ph\u00e1p c\u1ee7a JSON<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul><li>D\u1eef li\u1ec7u \u0111i v\u1edbi nhau th\u00e0nh c\u1eb7p t\u00ean\/gi\u00e1 tr\u1ecb<\/li><li>D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n chia b\u1edfi d\u1ea5u ph\u1ea9y<\/li><li>D\u1ea5u ngo\u1eb7c nh\u1ecdn gi\u1eef c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<\/li><li>D\u1ea5u ngo\u1eb7c vu\u00f4ng gi\u1eefa c\u00e1c m\u1ea3ng<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Du_lieu_JSON_%E2%80%93_Ten_va_Gia_tri\"><\/span>D\u1eef li\u1ec7u JSON &#8211; T\u00ean v\u00e0 Gi\u00e1 tr\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u1eef li\u1ec7u jSON \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng c\u1eb7p t\u00ean\/gi\u00e1 tr\u1ecb, gi\u1ed1ng nh\u01b0 thu\u1ed9c t\u00ednh \u0111\u1ed1i t\u01b0\u1ee3ng trong JavaScript.<\/p>\n\n\n\n<p>M\u1ed9t c\u1eb7p t\u00ean\/gi\u00e1 tr\u1ecb bao g\u1ed3m m\u1ed9t t\u00ean tr\u01b0\u1eddng (trong ngo\u1eb7c k\u00e9p), ti\u1ebfp theo l\u00e0 m\u1ed9t d\u1ea5u hai ch\u1ea5m, ti\u1ebfp theo l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"firstName\":\"\u0110\u1ee9c Anh\"<\/code><\/pre>\n\n\n\n<p>T\u00ean JSON y\u00eau c\u1ea7u d\u1ea5u nh\u00e1y k\u00e9p. T\u00ean trong JvaScript th\u00ec kh\u00f4ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_doi_tuong_JSON\"><\/span>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng JSON<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng jSON \u0111\u01b0\u1ee3c vi\u1ebft b\u00ean trong d\u1ea5u ngo\u1eb7c nh\u1ecdn.<\/p>\n\n\n\n<p>Gi\u1ed1ng nh\u01b0 JavaScript, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 bao g\u1ed3m nhi\u1ec1u c\u1eb7p t\u00ean\/gi\u00e1 tr\u1ecb:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{\"firstName\":\"\u0110\u1ee9c Anh\", \"lastName\":\"Nguy\u1ec5n\"}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mang_JSON\"><\/span>M\u1ea3ng JSON<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ea3ng c\u1ee7a jSON \u0111\u01b0\u1ee3c vi\u1ebft b\u00ean trong d\u1ea5u ngo\u1eb7c vu\u00f4ng.<\/p>\n\n\n\n<p>Gi\u1ed1ng nh\u01b0 JavaScript, m\u1ea3ng c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"employees\":&#91;\n{\"firstName\":\"\u0110\u1ee9c Anh\", \"lastName\":\"Nguy\u1ec5n\"},\n{\"firstName\":\"B\u1ea3o Hu\u1ef3nh\", \"lastName\":\"Th\u00e1i\"},\n{\"firstName\":\"\u0110\u0103ng D\u0169ng\", \"lastName\":\"Nguy\u1ec5n\"}\n]<\/code><\/pre>\n\n\n\n<p>Trong v\u00ed d\u1ee5 tr\u00ean, \u0111\u1ed1i t\u01b0\u1ee3ng &#8220;employees&#8221; l\u00e0 m\u1ed9t m\u1ea3ng. N\u00f3 bao g\u1ed3m ba \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n\n\n\n<p>M\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t b\u1ea3n ghi c\u1ee7a m\u1ed9t ng\u01b0\u1eddi (v\u1edbi t\u00ean v\u00e0 h\u1ecd).<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thuc_hien_chuyen_doi_van_ban_jSON_thanh_doi_tuong_JavaScript\"><\/span>Th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n jSON th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t c\u00e1ch s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a jSON l\u00e0 \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb web server v\u00e0 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u trong m\u1ed9t trang web.<\/p>\n\n\n\n<p>\u0110\u1ec3 \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t chu\u1ed7i nh\u01b0 l\u00e0 \u0111\u1ea7u v\u00e0o (ho\u1eb7c \u0111\u1ecdc th\u00eam trong h\u01b0\u1edbng d\u1eabn JSON c\u1ee7a ch\u00fang t\u00f4i):<\/p>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean, t\u1ea1o m\u1ed9t chu\u1ed7i JavaScript bao g\u1ed3m c\u00fa ph\u00e1p jSON:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var text = '{ \"employees\" : &#91;' +\n'{ \"firstName\":\"John\" , \"lastName\":\"Doe\" },' +\n'{ \"firstName\":\"Anna\" , \"lastName\":\"Smith\" },' +\n'{ \"firstName\":\"Peter\" , \"lastName\":\"Jones\" } ]}';<\/code><\/pre>\n\n\n\n<p>Sau \u0111\u00f3, s\u1eed d\u1ee5ng JavScript \u0111\u1ec3 t\u1ea1o h\u00e0m jSON.parse() cho m\u1ee5c \u0111\u00edch chuy\u1ec3n \u0111\u1ed5i chu\u1ed7i th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var obj = JSON.parse(text);<\/code><\/pre>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, s\u1eed d\u1ee5ng \u0111\u1ed1i t\u01b0\u1ee3ng JavaScript m\u1edbi trong trang c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ed d\u1ee5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;p id=\"demo\">&lt;\/p>\n\n&lt;script>\ndocument.getElementById(\"demo\").innerHTML =\nobj.employees&#91;1].firstName + \" \" + obj.employees&#91;1].lastName;\n&lt;\/script><\/code><\/pre>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc th\u00eam v\u1ec1 jSON trong chuy\u00ean m\u1ee5c v\u1ec1 jSON c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u00f9ng cho l\u01b0u tr\u1eef v\u00e0 chuy\u1ec3n d\u1eef li\u1ec7u. jSON th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb server \u0111\u1ebfn trang web. JSON l\u00e0 g\u00ec? jSON l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a JavaScript Object Notation JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng trao \u0111\u1ed5i d\u1eef li\u1ec7u nh\u1eb9 JSON l\u00e0 ng\u00f4n ng\u1eef \u0111\u1ed9c l\u1eadp * JSON l\u00e0 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[236],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JavaScript JSON &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/javascript-json\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JavaScript JSON &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u00f9ng cho l\u01b0u tr\u1eef v\u00e0 chuy\u1ec3n d\u1eef li\u1ec7u. jSON th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb server \u0111\u1ebfn trang web. JSON l\u00e0 g\u00ec? jSON l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a JavaScript Object Notation JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng trao \u0111\u1ed5i d\u1eef li\u1ec7u nh\u1eb9 JSON l\u00e0 ng\u00f4n ng\u1eef \u0111\u1ed9c l\u1eadp * JSON l\u00e0 &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/javascript-json\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-07-21T09:19:18+00:00\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"JavaScript JSON &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/javascript-json\/","og_locale":"vi_VN","og_type":"article","og_title":"JavaScript JSON &#8226; Ki\u1ebfn c\u00e0ng","og_description":"JSON l\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u00f9ng cho l\u01b0u tr\u1eef v\u00e0 chuy\u1ec3n d\u1eef li\u1ec7u. jSON th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb server \u0111\u1ebfn trang web. 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