sagexiang Posted March 12 Share Posted March 12 Why does "scroll-behavior: auto;" appear in the body tag when I use ScrollTrigger?What does it do?Thanks～ Link to comment Share on other sites More sharing options...
GreenSock Posted March 12 Share Posted March 12 It's a protection against scroll-behavior: smooth which messes things up. Some CSS libraries apply that, so we're overwriting it. In order for ScrollTrigger to do its magic, it must temporarily set the scroll position of the page back to the top (0), do all of its calculations and pre-optimize, and then restore the scroll position (it's invisible to the user), but if you apply scroll-behavior: smooth, that basically prevents that from working. It's sorta like setting a CSS transition to a value that GSAP animates - the CSS transition intercepts the value application and says "NOPE! I won't allow that right now...I'll drag it out over the course of a certain duration". In short, it's protecting you 😉 Link to comment Share on other sites More sharing options...
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