{"id":53,"date":"2026-05-23T18:34:19","date_gmt":"2026-05-23T18:34:19","guid":{"rendered":"https:\/\/jobswalkin.com\/blogs\/?p=53"},"modified":"2026-05-23T19:00:11","modified_gmt":"2026-05-23T19:00:11","slug":"filter-array-based-on-given-key-in-javascript","status":"publish","type":"post","link":"https:\/\/jobswalkin.com\/blogs\/javascript\/filter-array-based-on-given-key-in-javascript\/","title":{"rendered":"Filter array based on given key in JavaScript"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>const users = &#91;\n    {\n        id: 1,\n        name: \"Raj\",\n        age: 28,\n        city: \"Bangalore\",\n        state: \"Karnataka\",\n        country: \"India\",\n        email: \"raj@gmail.com\",\n        mobile: \"8888888888\",\n        skills: &#91;\"React\", \"NodeJS\", \"MongoDB\"],\n        experience: 5,\n        salary: 850000,\n        isActive: true\n    },\n    {\n        id: 2,\n        name: \"Amit\",\n        age: 30,\n        city: \"Delhi\",\n        state: \"Delhi\",\n        country: \"India\",\n        email: \"amit@gmail.com\",\n        mobile: \"77777777777\",\n        skills: &#91;\"Java\", \"Spring Boot\", \"MySQL\"],\n        experience: 7,\n        salary: 1200000,\n        isActive: true\n    },\n    {\n        id: 3,\n        name: \"John\",\n        age: 26,\n        city: \"Bangalore\",\n        state: \"Karnataka\",\n        country: \"India\",\n        email: \"john@gmail.com\",\n        mobile: \"6666666666\",\n        skills: &#91;\"Python\", \"Django\", \"PostgreSQL\"],\n        experience: 4,\n        salary: 700000,\n        isActive: false\n    },\n    {\n        id: 4,\n        name: \"Sneha\",\n        age: 27,\n        city: \"Mumbai\",\n        state: \"Maharashtra\",\n        country: \"India\",\n        email: \"sneha@gmail.com\",\n        mobile: \"8888888888\",\n        skills: &#91;\"Angular\", \"TypeScript\", \"Firebase\"],\n        experience: 3,\n        salary: 650000,\n        isActive: true\n    },\n    {\n        id: 5,\n        name: \"Vikram\",\n        age: 35,\n        city: \"Pune\",\n        state: \"Maharashtra\",\n        country: \"India\",\n        email: \"vikram@gmail.com\",\n        mobile: \"8888888888\",\n        skills: &#91;\"AWS\", \"DevOps\", \"Docker\"],\n        experience: 10,\n        salary: 1800000,\n        isActive: true\n    },\n    {\n        id: 6,\n        name: \"Priya\",\n        age: 24,\n        city: \"Chennai\",\n        state: \"Tamil Nadu\",\n        country: \"India\",\n        email: \"priya@gmail.com\",\n        mobile: \"8888888888\",\n        skills: &#91;\"UI\/UX\", \"Figma\", \"Photoshop\"],\n        experience: 2,\n        salary: 500000,\n        isActive: false\n    },\n    {\n        id: 7,\n        name: \"Arjun\",\n        age: 29,\n        city: \"Hyderabad\",\n        state: \"Telangana\",\n        country: \"India\",\n        email: \"arjun@gmail.com\",\n        mobile: \"7777777777\",\n        skills: &#91;\"PHP\", \"CodeIgniter\", \"MySQL\"],\n        experience: 6,\n        salary: 900000,\n        isActive: true\n    },\n    {\n        id: 8,\n        name: \"Neha\",\n        age: 31,\n        city: \"Delhi\",\n        state: \"Delhi\",\n        country: \"India\",\n        email: \"neha@gmail.com\",\n        mobile: \"5656666666\",\n        skills: &#91;\"QA\", \"Selenium\", \"Cypress\"],\n        experience: 8,\n        salary: 1100000,\n        isActive: true\n    },\n    {\n        id: 9,\n        name: \"Karan\",\n        age: 33,\n        city: \"Bangalore\",\n        state: \"Karnataka\",\n        country: \"India\",\n        email: \"karan@gmail.com\",\n        mobile: \"9999999999\",\n        skills: &#91;\"AI\", \"Machine Learning\", \"Python\"],\n        experience: 9,\n        salary: 2000000,\n        isActive: true\n    },\n    {\n        id: 10,\n        name: \"Meera\",\n        age: 25,\n        city: \"Kolkata\",\n        state: \"West Bengal\",\n        country: \"India\",\n        email: \"meera@gmail.com\",\n        mobile: \"7877777777\",\n        skills: &#91;\"React Native\", \"Flutter\", \"Firebase\"],\n        experience: 3,\n        salary: 750000,\n        isActive: false\n    }\n];\n\nfunction filterData(field){\n    let data = users.reduce((temp, eachRow) => {\n\n        if (!temp&#91;eachRow&#91;field]]) {\n            temp&#91;eachRow&#91;field]] = &#91;];\n        }\n\n        temp&#91;eachRow&#91;field]].push(eachRow);\n\n        return temp;\n\n    }, {});\n\n    return data;\n}\n\nconsole.log(filterData(\"city\"));<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6],"class_list":["post-53","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-reducer"],"yoast_head":"<!-- This site is optimized with 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