--- title: Vue Basics: Intro to Vue.js Watchers | daily.dev description: Watchers in Vue.js are powerful tools used to perform actions when a data or computed property changes. They should be employed only when no other tool, like... canonical: https://daily.dev/posts/vue-basics-intro-to-vue-js-watchers-ogsbeys0d twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Vue Basics: Intro to Vue.js Watchers | daily.dev og:description: Watchers in Vue.js are powerful tools used to perform actions when a data or computed property changes. They should be employed only when no other tool, like... og:url: https://daily.dev/posts/vue-basics-intro-to-vue-js-watchers-ogsbeys0d og:image: https://api.daily.dev/og/posts/oGSBEyS0D.png og:image:alt: Vue Basics: Intro to Vue.js Watchers 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. # Vue Basics: Intro to Vue.js Watchers **[Telerik](https://daily.dev/sources/telerik)** · 6 min read · 27 upvotes · 1 comments ## Summary Watchers in Vue.js are powerful tools used to perform actions when a data or computed property changes. They should be employed only when no other tool, like computed properties, would suffice. This tutorial covers scenarios where watchers are useful, best practices for their usage, and alternative approaches to achieve similar results. Special attention is given to avoiding common pitfalls and ensuring code remains easy to debug. ## 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. **@riad23** · 1 upvotes > why using the options API tho --- Tags: [#webdev](https://daily.dev/tags/webdev), [#javascript](https://daily.dev/tags/javascript), [#frontend](https://daily.dev/tags/frontend), [#vuejs](https://daily.dev/tags/vuejs) [View this post on daily.dev](https://daily.dev/posts/vue-basics-intro-to-vue-js-watchers-ogsbeys0d) ```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":"Vue Basics: Intro to Vue.js Watchers","url":"https://daily.dev/posts/vue-basics-intro-to-vue-js-watchers-ogsbeys0d","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/vue-basics-intro-to-vue-js-watchers-ogsbeys0d"},"datePublished":"2024-07-22T15:21:25.500Z","dateModified":"2024-10-05T17:00:35.344Z","description":"Watchers in Vue.js are powerful tools used to perform actions when a data or computed property changes. 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