Skip to content

Instantly share code, notes, and snippets.

View YoringChen's full-sized avatar

YoringChen YoringChen

8 followers · 0 following
View GitHub Profile
@paulirish
paulirish / what-forces-layout.md
Last active March 15, 2026 16:37
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
@PurpleBooth
PurpleBooth / README-Template.md
Last active March 12, 2026 19:44
A template to make good README.md

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites