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@bendc
bendc / display-fade.html
Created Jun 22, 2016
Transitioning the opacity of a hidden element
View display-fade.html
<!doctype html>
<meta charset="utf-8">
<title>Example</title>
<style>
div {
width: 100px;
height: 100px;
background: black;
animation-duration: .5s;
@paulirish
paulirish / what-forces-layout.md
Last active Dec 8, 2019
What forces layout/reflow. The comprehensive list.
View what-forces-layout.md

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.

Element

Box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
  • elem.clientLeft, elem.clientTop, elem.clientWidth, elem.clientHeight
  • elem.getClientRects(), elem.getBoundingClientRect()
View bling.js
/* bling.js */
window.$ = document.querySelectorAll.bind(document);
Node.prototype.on = window.on = function (name, fn) {
this.addEventListener(name, fn);
}
NodeList.prototype.__proto__ = Array.prototype;
View gist:2b53198906d320abe650
function foo(x) { x = (typeof x != "undefined") ? x : 10; .. }
function foo(x = 10) { .. }
function foo(x,y,z) { .. }; foo.apply(null,[1,2,3]);
function foo(x,y,z) { .. }; foo(...[1,2,3]);
function foo() { var args = [].slice.call(arguments); .. }
function foo(...args) { .. }
var o = { x: 2, y: 3 }, x = o.x, y = o.y, z = (typeof o.z != "undefined") ? o.z : 10;
View trello-css-guide.md

Hello, visitors! If you want an updated version of this styleguide in repo form with tons of real-life examples… check out Trellisheets! https://github.com/trello/trellisheets


Trello CSS Guide

“I perfectly understand our CSS. I never have any issues with cascading rules. I never have to use !important or inline styles. Even though somebody else wrote this bit of CSS, I know exactly how it works and how to extend it. Fixes are easy! I have a hard time breaking our CSS. I know exactly where to put new CSS. We use all of our CSS and it’s pretty small overall. When I delete a template, I know the exact corresponding CSS file and I can delete it all at once. Nothing gets left behind.”

You often hear updog saying stuff like this. Who’s updog? Not much, who is up with you?

View essential-javascript-links.md
View browserify_for_webpack_users.markdown

browserify for webpack users

There's been a strange explosion in misinformation about browserify recently, particularly in comparisons to webpack.

Generally speaking, most of this confusion stems from how webpack is more willing to pull features into its core to ease discoverability while browserify is more likely to push features out to userland instead.

I think that longer-term, separability has more benefits from a maintenance and

@webtobesocial
webtobesocial / pseudo_elements.md
Last active Nov 5, 2019
A CSS pseudo-element is used to style specified parts of an element. In some cases you can style native HTML controls with vendor specific pseudo-elements. Here you will find an list of cross browser specific pseudo-element selectors.
View pseudo_elements.md

Styling native elements

Native HTML controls are a challenge to style. You can style any element in the web platform that uses Shadow DOM with a pseudo element ::pseudo-element or the /deep/ path selector.

video::webkit-media-controls-timeline {
  background-color: lime;
}

video /deep/ input[type=range] {
@addyosmani
addyosmani / package.json
Last active Dec 7, 2019
npm run-scripts boilerplate
View package.json
{
"name": "my-app",
"version": "1.0.0",
"description": "My test app",
"main": "src/js/index.js",
"scripts": {
"jshint:dist": "jshint src/js/*.js",
"jshint": "npm run jshint:dist",
"jscs": "jscs src/*.js",
"browserify": "browserify -s Validating -o ./dist/js/build.js ./lib/index.js",
@addyosmani
addyosmani / README.md
Last active Dec 5, 2019 — forked from 140bytes/LICENSE.txt
108 byte CSS Layout Debugger
View README.md

CSS Layout Debugger

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

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