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@theshem
theshem / example.js
Created October 29, 2016 16:25
AnimationEnd and TransitionEnd Cross Browser
import { getAnimatableEndEvent } from './getAnimatableEndEvent';
// get the transitionend event name for cross browser compatibility
const transitionEndEvent = getAnimatableEndEvent('transition');
// later in code:
// element.addEventListener(transitionEndEvent, () => {}, false);
// get the animationend event name for cross browser compatibility
const animationEndEvent = getAnimatableEndEvent('animation');
// later in code:
@lamberta
lamberta / parseFunction.js
Created September 23, 2012 03:57
Parse a JavaScript string function definition and return a function object. Does not use eval.
/* Parse a string function definition and return a function object. Does not use eval.
* @param {string} str
* @return {function}
*
* Example:
* var f = function (x, y) { return x * y; };
* var g = parseFunction(f.toString());
* g(33, 3); //=> 99
*/
function parseFunction (str) {
@jonleighton
jonleighton / base64ArrayBuffer.js
Last active June 19, 2024 13:39
Encode an ArrayBuffer as a base64 string
// Converts an ArrayBuffer directly to base64, without any intermediate 'convert to string then
// use window.btoa' step. According to my tests, this appears to be a faster approach:
// http://jsperf.com/encoding-xhr-image-data/5
/*
MIT LICENSE
Copyright 2011 Jon Leighton
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: