Resources:
- https://www.w3.org/TR/WCAG21/
- https://webaim.org/
- https://www.apple.com/accessibility/
- https://a11y-101.com/
- https://www.microsoft.com/design/inclusive/
- https://marcysutton.github.io/gatsby-a11y-workshop/
Tools:
nguyengialeit
quannt
/ a11y-101.md
Last active
October 7, 2023 03:58
paulirish
/ what-forces-layout.md
Last active
March 15, 2026 16:37
What forces layout/reflow. The comprehensive list.
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.
elem.offsetLeft,elem.offsetTop,elem.offsetWidth,elem.offsetHeight,elem.offsetParent