--- title: Iterator helpers · V8 | daily.dev description: Iterator helpers are a collection of new methods on Iterator prototype that help in general use of iterators. They include map, filter, take, drop, flatMap,... canonical: https://daily.dev/posts/iterator-helpers-v8-zfyxyccgu twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Iterator helpers · V8 | daily.dev og:description: Iterator helpers are a collection of new methods on Iterator prototype that help in general use of iterators. They include map, filter, take, drop, flatMap,... og:url: https://daily.dev/posts/iterator-helpers-v8-zfyxyccgu og:image: https://api.daily.dev/og/posts/ZfyXyCcGU.png og:image:alt: Iterator helpers · V8 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. # Iterator helpers · V8 **[Community Picks](https://daily.dev/sources/community)** · 5 min read · 10 upvotes · 0 comments ## Summary Iterator helpers are a collection of new methods on Iterator prototype that help in general use of iterators. They include map, filter, take, drop, flatMap, reduce, toArray, forEach, some, every, and find. These helpers are shipped in V8 v12.2. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#javascript](https://daily.dev/tags/javascript), [#v8](https://daily.dev/tags/v8) [View this post on daily.dev](https://daily.dev/posts/iterator-helpers-v8-zfyxyccgu) ```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":"Iterator helpers · V8","url":"https://daily.dev/posts/iterator-helpers-v8-zfyxyccgu","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/iterator-helpers-v8-zfyxyccgu"},"datePublished":"2024-03-29T11:55:32.898Z","dateModified":"2024-05-09T08:58:27.770Z","description":"Iterator helpers are a collection of new methods on Iterator prototype that help in general use of iterators. They include map, filter, take, drop, flatMap,...","image":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","thumbnailUrl":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","isAccessibleForFree":true,"articleSection":"Community Picks","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Community Picks","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1655817725/logos/community","url":"https://daily.dev/sources/community"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/iterator-helpers-v8-zfyxyccgu","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":10},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"javascript,v8","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Community Picks","item":"https://daily.dev/sources/community"},{"@type":"ListItem","position":3,"name":"Iterator helpers · V8"}]} ```