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@benqy
benqy / introrx.md
Created May 15, 2018 — forked from staltz/introrx.md
The introduction to Reactive Programming you've been missing
View introrx.md
@benqy
benqy / RAF.js
Created Oct 19, 2015 — forked from julianshapiro/RAF.js
requestAnimationFrame Polyfill
View RAF.js
var requestAnimationFrame = window.requestAnimationFrame || (function() {
var timeLast = 0;
return window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(callback) {
var timeCurrent = (new Date()).getTime(),
timeDelta;
/* Dynamically set the delay on a per-tick basis to more closely match 60fps. */
/* Technique by Erik Moller. MIT license: https://gist.github.com/paulirish/1579671. */
timeDelta = Math.max(0, 16 - (timeCurrent - timeLast));
@benqy
benqy / IE.js
Created Oct 19, 2015 — forked from julianshapiro/IE.js
Future-Proof IE Version Detection Without User Agent Sniffing
View IE.js
var IE = (function() {
if (document.documentMode) {
return document.documentMode;
} else {
for (var i = 7; i > 4; i--) {
var div = document.createElement("div");
div.innerHTML = "<!--[if IE " + i + "]><span></span><![endif]-->";
if (div.getElementsByTagName("span").length) {
View detect-console.html
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>console track</title>
</head>
<body>
console status: <span id="stat"></span>
<script>
function isConsoleOpen() {
View isMobile.js
function isMobile(ua) {
if (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon
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