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mithi / what-forces-layout.md
Created Jul 25, 2020 — forked from paulirish/what-forces-layout.md
What forces layout/reflow. The comprehensive list.
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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
@mithi
mithi / web-performance.md
Created Jul 25, 2020 — forked from stevekinney/web-performance.md
Web Performance Workshop
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Web Performance

Requirements

Repositories