{"id":21656,"date":"2022-11-14T16:14:29","date_gmt":"2022-11-14T10:44:29","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-map-the-json-key-and-update-the-value-in-another-json-using-angular2\/"},"modified":"2022-11-14T16:14:29","modified_gmt":"2022-11-14T10:44:29","slug":"solved-map-the-json-key-and-update-the-value-in-another-json-using-angular2","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-map-the-json-key-and-update-the-value-in-another-json-using-angular2\/","title":{"rendered":"[Solved] Map the JSON key and update the value in another JSON using angular2"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-51783233\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"51783233\" data-parentid=\"51783007\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>You can use <code>Object.keys()<\/code> to iterate over the keys of your first json object. <code>Object.keys()<\/code> returns a string array containing the key names. So we can call <code>.forEach()<\/code> on that result. In the foreach method we can use the key to access the child object in <code>secondJsonObj<\/code>.<\/p>\n<pre><code>Object.keys(firstJsonObj).forEach(key =&gt; {\n    if (secondJsonObj[key]) {\n        secondJsonObj[key].value = firstJsonObj[key]\n    }\n});\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Map the JSON key and update the value in another JSON using angular2 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You can use Object.keys() to iterate over the keys of your first json object. Object.keys() returns a string array containing the key names. So we can call .forEach() on that result. In the foreach method we can use the key to access the child object in secondJsonObj. Object.keys(firstJsonObj).forEach(key =&gt; { if (secondJsonObj[key]) { secondJsonObj[key].value &#8230; <a title=\"[Solved] Map the JSON key and update the value in another JSON using angular2\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-map-the-json-key-and-update-the-value-in-another-json-using-angular2\/\" aria-label=\"More on [Solved] Map the JSON key and update the value in another JSON using angular2\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[732],"class_list":["post-21656","post","type-post","status-publish","format-standard","hentry","category-solved","tag-angular"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Map the JSON key and update the value in another JSON using angular2 - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-map-the-json-key-and-update-the-value-in-another-json-using-angular2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Map the JSON key and update the value in another JSON using angular2 - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can use Object.keys() to iterate over the keys of your first json object. Object.keys() returns a string array containing the key names. So we can call .forEach() on that result. In the foreach method we can use the key to access the child object in secondJsonObj. Object.keys(firstJsonObj).forEach(key =&gt; { if (secondJsonObj[key]) { secondJsonObj[key].value ... 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