You can also combine the effect with other CSS features such as media queries or supports - responsive parallax anyone?īefore we dive into how the effect works, let's establish some barebones markup: Īnd here are the basic style rules. If you do not know what a parallax feature is, its our background image, And whenever the user scrolls, you can see how it looks like the image actually. The result is consistent frame rates and perfectly smooth scrolling. It's not all bad though, requestAnimationFrame and deferring DOM updates can transform parallax websites - but what if you could remove the JavaScript dependency completely?ĭeferring the parallax effect to CSS removes all these issues and allows the browser to leverage hardware acceleration resulting in almost everything being handled by the compositor. A parallax scrolling effect is achieved by slightly pushing the background image in the opposite direction of the rest of the list. All this happens out of sync with the browsers rendering pipeline causing dropped frames and stuttering. Parallax is almost always handled with JavaScript and, more often than not, it's implemented badly with the worst offenders listening for the scroll event and modifying the DOM directly in the handler, triggering needless reflows and paints. If you find this article useful and want to explore CSS Parallax further, you may find my follow-up article " Practical CSS Parallax" an interesting read. Set the image link with the help of the background-image property and specify the min-height. The author achieves this effect by using the CSS transform translateZ property. Add CSS Style the 'parallax-effect' class. This project uses a background example to create a scroll effect as the user scrolls down the page. This article demonstrates how to use CSS transforms, perspective and some scaling trickery to create a pure CSS parallax scrolling website. This example provides a parallax scrolling example using HTML and CSS.
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