{"id":26421,"date":"2022-12-17T17:20:53","date_gmt":"2022-12-17T11:50:53","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-count-people-in-json-file-closed\/"},"modified":"2022-12-17T17:20:53","modified_gmt":"2022-12-17T11:50:53","slug":"solved-how-to-count-people-in-json-file-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-count-people-in-json-file-closed\/","title":{"rendered":"[Solved] How to count people in JSON file? [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-26870446\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"26870446\" data-parentid=\"26870209\" 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>You should be able to do this pretty easily using <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Array\/map\">Array.map()<\/a> and <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Array\/filter\">Array.filter()<\/a>. Here&#8217;s an example<\/p>\n<\/p>\n<div class=\"snippet\" data-lang=\"js\" data-hide=\"false\">\n<div class=\"snippet-code\">\n<pre class=\"snippet-code-js lang-js prettyprint-override\"><code>var users = [\r\n    {\r\n        \"id\": 1,\r\n        \"username\": \"Michael\",\r\n        \"users\": [\r\n            {\r\n                \"id\": 2,\r\n                \"like\": 1\r\n            },\r\n            {\r\n                \"id\": 3,\r\n                \"like\": 1\r\n            },\r\n            {\r\n                \"id\": 4,\r\n                \"like\": 0\r\n            },\r\n            {\r\n                \"id\": 5,\r\n                \"like\": 1\r\n            }\r\n        ]\r\n    },\r\n    {\r\n        \"id\": 2,\r\n        \"username\": \"Antony\",\r\n        \"users\": [\r\n            {\r\n                \"id\": 1,\r\n                \"like\": 0\r\n            },\r\n            {\r\n                \"id\": 3,\r\n                \"like\": 1\r\n            },\r\n            {\r\n                \"id\": 4,\r\n                \"like\": 0\r\n            },\r\n            {\r\n                \"id\": 5,\r\n                \"like\": 1\r\n            }\r\n        ]\r\n    }\r\n];\r\n\r\nvar usersWithLikes = users.map(function(user) {\r\n    return user.users.filter(function(value) {\r\n        return value.like === 1;    \r\n    }).length;\r\n});\r\n\r\nconsole.log(usersWithLikes);<\/code><\/pre>\n<\/div>\n<\/div><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to count people in JSON file? [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You should be able to do this pretty easily using Array.map() and Array.filter(). Here&#8217;s an example var users = [ { &#8220;id&#8221;: 1, &#8220;username&#8221;: &#8220;Michael&#8221;, &#8220;users&#8221;: [ { &#8220;id&#8221;: 2, &#8220;like&#8221;: 1 }, { &#8220;id&#8221;: 3, &#8220;like&#8221;: 1 }, { &#8220;id&#8221;: 4, &#8220;like&#8221;: 0 }, { &#8220;id&#8221;: 5, &#8220;like&#8221;: 1 } ] }, { &#8230; <a title=\"[Solved] How to count people in JSON file? [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-count-people-in-json-file-closed\/\" aria-label=\"More on [Solved] How to count people in JSON file? [closed]\">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":[333,388,356],"class_list":["post-26421","post","type-post","status-publish","format-standard","hentry","category-solved","tag-javascript","tag-jquery","tag-json"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to count people in JSON file? [closed] - 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-how-to-count-people-in-json-file-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to count people in JSON file? [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You should be able to do this pretty easily using Array.map() and Array.filter(). Here&#8217;s an example var users = [ { &quot;id&quot;: 1, &quot;username&quot;: &quot;Michael&quot;, &quot;users&quot;: [ { &quot;id&quot;: 2, &quot;like&quot;: 1 }, { &quot;id&quot;: 3, &quot;like&quot;: 1 }, { &quot;id&quot;: 4, &quot;like&quot;: 0 }, { &quot;id&quot;: 5, &quot;like&quot;: 1 } ] }, { ... 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