Created
February 19, 2014 17:18
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alternative dom.ready and dom.load events
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| (function(root, doc) { | |
| /** | |
| * dom.ready.js is a tiny library | |
| * to help with cross-browser compatible | |
| * `DOMContentLoaded` (dom ready) | |
| * event binding | |
| * | |
| * author: dhigginbotham | |
| * license: MIT | |
| * browser support: [IE8+, FF, Chrome] | |
| */ | |
| /** | |
| * ready object for global space | |
| */ | |
| var dom = {}; | |
| /** | |
| * privates | |
| */ | |
| var priv = {}; | |
| /** | |
| * internal loadEvents, separated by their | |
| * browser | |
| */ | |
| priv.loadEvents = { | |
| modern: 'DOMContentLoaded', | |
| ie: 'readystatechange' | |
| }; | |
| /** | |
| * internal regex, initializing it here | |
| * saves some memory overall | |
| */ | |
| priv.regex = { | |
| gecko: /gecko/i | |
| }; | |
| /** | |
| * fairly simple device check | |
| */ | |
| priv.getClientBrowser = function() { | |
| if (typeof root.navigator != 'undefined' && root.navigator.appName) { | |
| return (root.appName != priv.regex.gecko ? 'ie' : 'modern'); | |
| } else return 'ie'; | |
| }; | |
| /** | |
| * internal event listener | |
| */ | |
| priv.internalEventListener = function(element, eventName, fn) { | |
| if (element.addEventListener) { | |
| return element.addEventListener(eventName, fn, false); | |
| } else if (element.attachEvent) { | |
| return element.attachEvent("on" + eventName, fn); | |
| }; | |
| }; | |
| /** | |
| * dom.ready function, accepts a | |
| * single callback function to fire | |
| */ | |
| dom.ready = function(fn) { | |
| var ev; | |
| if (priv.getClientBrowser() == 'ie') { | |
| ev = priv.loadEvents.ie; | |
| } else { | |
| ev = priv.loadEvents.modern; | |
| } | |
| return priv.internalEventListener(doc, ev, fn); | |
| }; | |
| /** | |
| * dom.load, loads onto window.load | |
| */ | |
| dom.load = function(fn) { | |
| var ev = 'load'; | |
| return priv.internalEventListener(root, ev, fn); | |
| }; | |
| /** | |
| * make it accessible outside of the closure | |
| */ | |
| if (typeof module != 'undefined' && module.exports) { | |
| module.exports = dom; | |
| } else { | |
| root.dom = dom; | |
| } | |
| })(window, document); |
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| <!DOCTYPE html> | |
| <html class="no-js"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <title>dom.ready.js</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body> | |
| <div id="ready"></div> | |
| <div id="load"></div> | |
| <script type="text/javascript" src="dom.js"></script> | |
| <script> | |
| var startTime = Date.now(); | |
| dom.ready(function () { | |
| var el = document.getElementById('ready'); | |
| el.innerText = 'ready in ' + (Date.now() - startTime) + 'ms'; | |
| }); | |
| dom.load(function () { | |
| var el = document.getElementById('load'); | |
| el.innerText = 'load in ' + (Date.now() - startTime) + 'ms'; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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https://gist.github.com/6eDesign/11088849