A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.
One-line version to paste in your DevTools
Use $$ if your browser aliases it:
~ 108 byte version
Evgeny Khoroshilov XOP
⭐
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| license: gpl-3.0 | |
| redirect: https://observablehq.com/@d3/force-directed-tree |
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| // http://paulirish.com/2011/requestanimationframe-for-smart-animating/ | |
| // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating | |
| // requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel | |
| // MIT license | |
| (function() { | |
| var lastTime = 0; | |
| var vendors = ['ms', 'moz', 'webkit', 'o']; |
PaulKinlan
/ criticalcss-bookmarklet-devtool-snippet.js
Last active
April 2, 2024 02:45
CriticalCSS Bookmarklet and Devtool Snippet.js
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| (function() { | |
| var CSSCriticalPath = function(w, d, opts) { | |
| var opt = opts || {}; | |
| var css = {}; | |
| var pushCSS = function(r) { | |
| if(!!css[r.selectorText] === false) css[r.selectorText] = {}; | |
| var styles = r.style.cssText.split(/;(?![A-Za-z0-9])/); | |
| for(var i = 0; i < styles.length; i++) { | |
| if(!!styles[i] === false) continue; | |
| var pair = styles[i].split(": "); |
addyosmani
/ README.md
Last active
July 13, 2024 21:26
— forked from 140bytes/LICENSE.txt
108 byte CSS Layout Debugger
danharper
/ gulpfile.js
Last active
April 11, 2024 08:31
New ES6 project with Babel, Browserify & Gulp
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| var gulp = require('gulp'); | |
| var sourcemaps = require('gulp-sourcemaps'); | |
| var source = require('vinyl-source-stream'); | |
| var buffer = require('vinyl-buffer'); | |
| var browserify = require('browserify'); | |
| var watchify = require('watchify'); | |
| var babel = require('babelify'); | |
| function compile(watch) { | |
| var bundler = watchify(browserify('./src/index.js', { debug: true }).transform(babel)); |
yoavniran
/ ultimate-ut-cheat-sheet.md
Last active
July 12, 2024 11:15
The Ultimate Unit Testing Cheat-sheet For Mocha, Chai, Sinon, and Jest
paulirish
/ what-forces-layout.md
Last active
July 22, 2024 06:32
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
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| <html> | |
| <!-- | |
| - GIF is too slow | |
| - flipping colours in JS is easy | |
| - Using backgroundImage is flickery | |
| - With preload: fixed! | |
| --> | |
| <head> | |
| <style> | |
| body { |