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@rjeczalik
rjeczalik / how-to-find-forks-of-deleted-repo.md
Created August 26, 2019 16:39
How to find forks of a deleted repository?
@paulirish
paulirish / what-forces-layout.md
Last active April 19, 2025 04:59
What forces layout/reflow. The comprehensive list.

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent