--- title: map() method explained : JS | daily.dev description: The map() method is used to apply a function on every element in an array and then return a new array. You can use the current value, current index or even the... canonical: https://daily.dev/posts/map-method-explained-js-uxlxqyj-a twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: map() method explained : JS | daily.dev og:description: The map() method is used to apply a function on every element in an array and then return a new array. You can use the current value, current index or even the... og:url: https://daily.dev/posts/map-method-explained-js-uxlxqyj-a og:image: https://api.daily.dev/og/posts/Uxlxqyj-a.png og:image:alt: map() method explained : JS og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # map() method explained : JS **[DZone](https://daily.dev/sources/dz)** · [@rahxul](https://daily.dev/rahxul) · 2 min read · 77 upvotes · 2 comments ## Summary The map() method is used to apply a function on every element in an array and then return a new array. You can use the current value, current index or even the entire array to determine what to return. The filter() method can be thought of as a for loop, that is specifically for transforming values. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@anandbit** · 2 upvotes > Minimal but good explanation of what was given on MDN **@neeraj1005** · 1 upvotes > nice explanation +1 --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/map-method-explained-js-uxlxqyj-a) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"map() method explained : JS","url":"https://daily.dev/posts/map-method-explained-js-uxlxqyj-a","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/map-method-explained-js-uxlxqyj-a"},"datePublished":"2021-09-01T11:15:55.691Z","dateModified":"2021-10-07T14:17:10.317Z","description":"The map() method is used to apply a function on every element in an array and then return a new array. 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