Re:Wristwatch in only HTML/CSS
by alexquez on Sunday August 12, 2012 @02:26PM
(#4373174)
Yea, CSS animations are insanely CPU heavy. CodePen has to kill them after 5 seconds to keep the site responsive.
[ Parent
| on HN ]
Main page of codepen.io uses JS code to kill animations after 3-5 secs. When you click on single codepens it opens without JS animation killing restrictions.