{"id":24773,"date":"2022-12-05T16:17:51","date_gmt":"2022-12-05T10:47:51","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-sort-big-array-into-smaller-by-value-in-objects\/"},"modified":"2022-12-05T16:17:51","modified_gmt":"2022-12-05T10:47:51","slug":"solved-sort-big-array-into-smaller-by-value-in-objects","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-sort-big-array-into-smaller-by-value-in-objects\/","title":{"rendered":"[Solved] Sort big array into smaller by value in objects"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-51186582\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"51186582\" data-parentid=\"51186436\" 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 easily group by name to get what you need. Below is a quite general function to group any array of objects to a Map, by specified property. Then simply make it an array and you&#8217;re done<\/p>\n<\/p>\n<div class=\"snippet\" data-lang=\"js\" data-hide=\"false\" data-console=\"true\" data-babel=\"false\">\n<div class=\"snippet-code\">\n<pre class=\"snippet-code-js lang-js prettyprint-override\"><code>function group(arr, propertyToGroupBy) {\r\n  return arr.reduce(function(a, b) {\r\n    return a.set(b[propertyToGroupBy], (a.get(b[propertyToGroupBy]) || []).concat(b));\r\n  }, new Map);\r\n}\r\n\r\nconst map = group(arr, 'name');\r\n\r\nconsole.log(Array.from(map));<\/code><\/pre>\n<pre class=\"snippet-code-html lang-html prettyprint-override\"><code>&lt;script&gt;\r\n  let arr = [{\r\n      'name': '1',\r\n      'val': '12'\r\n    }, {\r\n      'name': '4',\r\n      'val': '52'\r\n    },\r\n    {\r\n      'name': '11',\r\n      'val': '15'\r\n    },\r\n    {\r\n      'name': '4',\r\n      'val': '33'\r\n    }\r\n  ];\r\n&lt;\/script&gt;<\/code><\/pre>\n<\/div>\n<\/div><\/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 Sort big array into smaller by value in objects <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You can easily group by name to get what you need. Below is a quite general function to group any array of objects to a Map, by specified property. Then simply make it an array and you&#8217;re done function group(arr, propertyToGroupBy) { return arr.reduce(function(a, b) { return a.set(b[propertyToGroupBy], (a.get(b[propertyToGroupBy]) || []).concat(b)); }, new Map); &#8230; <a title=\"[Solved] Sort big array into smaller by value in objects\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-sort-big-array-into-smaller-by-value-in-objects\/\" aria-label=\"More on [Solved] Sort big array into smaller by value in objects\">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":[361,898,333],"class_list":["post-24773","post","type-post","status-publish","format-standard","hentry","category-solved","tag-arrays","tag-ecmascript-6","tag-javascript"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Sort big array into smaller by value in objects - 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-sort-big-array-into-smaller-by-value-in-objects\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Sort big array into smaller by value in objects - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can easily group by name to get what you need. Below is a quite general function to group any array of objects to a Map, by specified property. Then simply make it an array and you&#8217;re done function group(arr, propertyToGroupBy) { return arr.reduce(function(a, b) { return a.set(b[propertyToGroupBy], (a.get(b[propertyToGroupBy]) || []).concat(b)); }, new Map); ... 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Below is a quite general function to group any array of objects to a Map, by specified property. Then simply make it an array and you&#8217;re done function group(arr, propertyToGroupBy) { return arr.reduce(function(a, b) { return a.set(b[propertyToGroupBy], (a.get(b[propertyToGroupBy]) || []).concat(b)); }, new Map); ... 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