{"id":9457,"date":"2022-09-19T01:10:37","date_gmt":"2022-09-18T19:40:37","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-nodejs-array-search-and-append\/"},"modified":"2022-09-19T01:10:37","modified_gmt":"2022-09-18T19:40:37","slug":"solved-nodejs-array-search-and-append","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-nodejs-array-search-and-append\/","title":{"rendered":"[Solved] nodejs &#8211; array search and append"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-43654082\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"43654082\" data-parentid=\"43652428\" data-score=\"0\" 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>Your objects initial value:<\/p>\n<pre><code>var myObj = [{'ABC': '5'}, {'BCD': '1'}]\n<\/code><\/pre>\n<p>Now if <code>DDD<\/code> doesn&#8217;t exists, just add it:<\/p>\n<pre><code>var DDD = \"3\"\nvar DDDExists = false;\n\nmyObj.forEach(function(){\n  if(this.DDD.length &gt; 0){\n    \/\/ If it exists, break the loop\n    DDDExists = true;\n    break;\n  }\n})\n\n\/\/ If DDD doesn't exists, add it\nif(DDDExists === false){\n  \/\/ Add DDD object to array\n  myObj.push({'DDD': 3});\n}\n<\/code><\/pre>\n<p>Now if <code>ABC<\/code> exists, sum <code>ABC<\/code> to all the available values:<\/p>\n<pre><code>\/\/ Check if ABC exists\nvar ABCExsits = false;\n\nmyObj.forEach(function(){\n  if(this.ABC.length &gt; 0){\n    \/\/ If ABC exits, break the loop\n    ABCExists = true;\n   break;\n  }\n})\n\nif(ABCExists === true){\n\n  \/\/ Sum all the values\n  var totalSum = 0;\n\n  myObj.forEach(function(){\n    \/\/ Since we don't know the name property of the obj, we need to do a for loop\n    for(var prop in this){\n      totalSum = totalSum + this[prop];\n    }    \n  })\n\n  \/\/ Now add `totalSum` to ABC\n\n  myObj.foreach(function(){\n    if(this.ABC.length &gt; 0){\n      this.ABC = totalSum;\n      break;\n    }\n  })\n\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">0<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved nodejs &#8211; array search and append <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Your objects initial value: var myObj = [{&#8216;ABC&#8217;: &#8216;5&#8217;}, {&#8216;BCD&#8217;: &#8216;1&#8217;}] Now if DDD doesn&#8217;t exists, just add it: var DDD = &#8220;3&#8221; var DDDExists = false; myObj.forEach(function(){ if(this.DDD.length &gt; 0){ \/\/ If it exists, break the loop DDDExists = true; break; } }) \/\/ If DDD doesn&#8217;t exists, add it if(DDDExists === false){ &#8230; <a title=\"[Solved] nodejs &#8211; array search and append\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-nodejs-array-search-and-append\/\" aria-label=\"More on [Solved] nodejs &#8211; array search and append\">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":[361,333,902],"class_list":["post-9457","post","type-post","status-publish","format-standard","hentry","category-solved","tag-arrays","tag-javascript","tag-node-js"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] nodejs - array search and append - 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-nodejs-array-search-and-append\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] nodejs - array search and append - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Your objects initial value: var myObj = [{&#039;ABC&#039;: &#039;5&#039;}, {&#039;BCD&#039;: &#039;1&#039;}] Now if DDD doesn&#8217;t exists, just add it: var DDD = &quot;3&quot; var DDDExists = false; myObj.forEach(function(){ if(this.DDD.length &gt; 0){ \/\/ If it exists, break the loop DDDExists = true; break; } }) \/\/ If DDD doesn&#039;t exists, add it if(DDDExists === false){ ... 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myObj.forEach(function(){ if(this.DDD.length &gt; 0){ \/\/ If it exists, break the loop DDDExists = true; break; } }) \/\/ If DDD doesn't exists, add it if(DDDExists === false){ ... 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