question source: https://www.nowcoder.com/ques.
the absolutely positioned element in the impression has been separated from the text stream, so modifying its left and top should only trigger redrawing, not rearrangement, should it?
it is common to enable hardware acceleration to optimize css animation. Is it because the device or browser support was not in place in 2015?
only triggers its own rearrangement, but other elements are not affected; element rearrangement in a normal stream often triggers the rearrangement of other elements.
above is the reference link
positioning properties and floats that also trigger relayout: top left and other
properties that trigger redrawing: color border-style these
, so the first problem is actually triggering the so-called rearrangement, rather than redrawing
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