Skip to content

Instantly share code, notes, and snippets.

View royteusink's full-sized avatar

Roy Teusink royteusink

View GitHub Profile
@manifestinteractive
manifestinteractive / multiple-npm-accounts.md
Created September 2, 2017 03:41
Multiple NPM Accounts on Single Machine

Multiple NPM Accounts on Single Machine

Create Custom NPM Config

If you do not already have a local ~/.npmrc file, you need to create one.

  1. Open a terminal window
  2. Run npm login
@adactio
adactio / basicServiceWorker.js
Last active March 27, 2023 09:30
A basic Service Worker, for use on, say, a blog.
'use strict';
// Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// http://creativecommons.org/publicdomain/zero/1.0/
(function() {
// Update 'version' if you need to refresh the cache
var staticCacheName = 'static';
var version = 'v1::';
@paulirish
paulirish / what-forces-layout.md
Last active December 8, 2025 09:19
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