--- title: 5 min To Understand Event Loop in Javascript | daily.dev description: The event loop is a very important and core concept in javascript. 90% of javascript developers are not clear with it even though they have a very good amount... canonical: https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 5 min To Understand Event Loop in Javascript | daily.dev og:description: The event loop is a very important and core concept in javascript. 90% of javascript developers are not clear with it even though they have a very good amount... og:url: https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk og:image: https://api.daily.dev/og/posts/VrtCBl3wK.png og:image:alt: 5 min To Understand Event Loop in Javascript 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. # 5 min To Understand Event Loop in Javascript **[Medium](https://daily.dev/sources/medium_js)** · 4 min read · 91 upvotes · 2 comments ## Summary The event loop is a very important and core concept in javascript. 90% of javascript developers are not clear with it even though they have a very good amount of working experience. In this blog, I will try my best to explain the event loop in a very simplified way. We cover the following key points. How it supports multiple requests with the help of a Call Stack, Web API and Event Queue. ## 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. **@devvinit** · 0 upvotes > Very nice explaination **@gqy117** · 0 upvotes > Great animation. --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk) ```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":"5 min To Understand Event Loop in Javascript","url":"https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk"},"datePublished":"2021-10-10T07:08:21.835Z","dateModified":"2021-10-10T07:08:21.836Z","description":"The event loop is a very important and core concept in javascript. 90% of javascript developers are not clear with it even though they have a very good amount...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/52d192c6a1aa0e8bf75a0391b04b6d10","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/52d192c6a1aa0e8bf75a0391b04b6d10","isAccessibleForFree":true,"articleSection":"Medium","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":"Medium","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/medium","url":"https://daily.dev/sources/medium_js"},"commentCount":2,"discussionUrl":"https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":91},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":2}],"keywords":"javascript","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Medium","item":"https://daily.dev/sources/medium_js"},{"@type":"ListItem","position":3,"name":"5 min To Understand Event Loop in Javascript"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/5-min-to-understand-event-loop-in-javascript-vrtcbl3wk","comment":[{"@type":"Comment","text":"Very nice explaination","datePublished":"2021-10-10T16:00:49.971Z","url":"https://daily.dev/posts/VrtCBl3wK#c-6zcpVWzTf","author":{"@type":"Person","name":"Vinit Singh","url":"https://daily.dev/devvinit","image":"https://avatars3.githubusercontent.com/u/29711377?v=4"}},{"@type":"Comment","text":"Great animation.","datePublished":"2021-12-02T22:49:43.364Z","url":"https://daily.dev/posts/VrtCBl3wK#c-o_1zB-Wni","author":{"@type":"Person","name":"Leo Li","url":"https://daily.dev/gqy117","image":"https://avatars.githubusercontent.com/u/5887800?v=4"}}]} ```