wow. Animate change to left via CSS, ~500 paint/reflow events. Animate translateX - 16!
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@johnallsopp Changing left can require a reflow dbaron.org/css/test/2003/abs… But we should detect when not needed and optimize. Cc @davidbaron
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@SickingJ @johnallsopp @davidbaron technically both should cause minor reflows because both can impact the size and position of scrollbars
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Replying to @jaffathecake
@jaffathecake @SickingJ @johnallsopp When there's a change to scrollbars, we fall back to reflow.

Sep 27, 2013 · 2:49 PM UTC

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