Last Updated: September 09, 2019
· markdalgleish

Mobile Parallax with Stellar.js

Parallax effects can be an extremely effective way to engage users during the simple act of scrolling. What is normally a simple process of moving static content along the screen can become an act of moving through a makeshift, HTML world. While the effect can certainly be abused, when applied with a light, elegant touch, it can breathe new life into your site.

Unfortunately this effect is hampered on touch devices, where tactile feedback and intertial scrolling would perfectly suit parallax animation. Mobile browsers place a limit on script execution during scroll, so your carefully crafted parallax effects won’t happen until scrolling has come to a complete halt. As you can imagine, this is far from impressive.

As a personal goal to not only make parallax effects as simple as possible, but to make them work on mobile browsers where these effects are notoriously difficult, I created a scrolling parallax library called Stellar.js.

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