--- title: Additive Animations in CSS | daily.dev description: The Web Animations API allows us to mix up this behavior through the introduction of the composite option. If we change the second animation to add a... canonical: https://daily.dev/posts/additive-animations-in-css-gienulkqm twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Additive Animations in CSS | daily.dev og:description: The Web Animations API allows us to mix up this behavior through the introduction of the composite option. If we change the second animation to add a... og:url: https://daily.dev/posts/additive-animations-in-css-gienulkqm og:image: https://api.daily.dev/og/posts/GiEnulkQM.png og:image:alt: Additive Animations in CSS 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. # Additive Animations in CSS **[CSS-Tricks](https://daily.dev/sources/css_tricks)** · 2 min read · 20 upvotes · 1 comments ## Summary The Web Animations API allows us to mix up this behavior through the introduction of the composite option. If we change the second animation to add a composite: 'add' option, we tell it to add the value of this animation to whatever the current state of that property is. Properties that accept any number-based valu (such as lengths, percentages, or raw numbers) will add the numbers together. ## 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. **@wilyyarts\_** · 0 upvotes > I Like It, However, There Is Some Animation that too slow. But overall, I like it, thanks, you give me some inspiration for my project! :) --- Tags: [#css](https://daily.dev/tags/css), [#safari](https://daily.dev/tags/safari) [View this post on daily.dev](https://daily.dev/posts/additive-animations-in-css-gienulkqm) ```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":"Additive Animations in CSS","url":"https://daily.dev/posts/additive-animations-in-css-gienulkqm","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/additive-animations-in-css-gienulkqm"},"datePublished":"2020-11-03T23:30:16.245Z","dateModified":"2021-10-07T14:17:10.317Z","description":"The Web Animations API allows us to mix up this behavior through the introduction of the composite option. 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But overall, I like it, thanks, you give me some inspiration for my project! :)","datePublished":"2020-11-04T05:49:07.510Z","url":"https://daily.dev/posts/GiEnulkQM#c-TTb0QZB5B","author":{"@type":"Person","name":"Rafael Williem","url":"https://daily.dev/wilyyarts_","image":"https://media.daily.dev/image/upload/s--kdcHMyr2--/f_auto/v1733807182/avatars/avatar_DuILVavp5"}}]} ```