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/** |
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* domReady |
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* |
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* @fileOverview |
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* Cross browser object to attach functions that will be called |
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* immediatly when the DOM is ready. |
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* Released under MIT license. |
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* @version 3.0.0 |
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* @author Victor Villaverde Laan |
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* @license MIT * @link http://www.freelancephp.net/domready-javascript-object-cross-browser/ |
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* @link https://github.com/freelancephp/DOMReady |
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*/ |
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(function (window) { |
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'use strict'; |
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var document = window.document; |
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var fns = []; |
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var args = []; |
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var isReady = false; |
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var errorHandler = null; |
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/** |
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* Call a ready handler |
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* @private |
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* @param {function} fn |
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*/ |
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var call = function (fn) { |
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try { |
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// call function |
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fn.apply(this, args); |
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} catch (e) { |
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// error occured while executing function |
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if (errorHandler !== null) { |
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errorHandler.call(this, e); |
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} |
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} |
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}; |
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/** |
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* Call all ready handlers |
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* @private |
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*/ |
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var run = function () { |
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var x; |
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isReady = true; |
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// call all registered functions |
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for (x = 0; x < fns.length; x = x + 1) { |
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call(fns[x]); |
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} |
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// clear handlers |
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fns = []; |
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}; |
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/** |
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* Initialize |
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* @private |
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*/ |
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var init = function () { |
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if (window.addEventListener) { |
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// for all browsers except IE |
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document.addEventListener('DOMContentLoaded', function () { |
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run(); |
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}, false); |
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} else { |
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// for IE |
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// code taken from http://javascript.nwbox.com/IEContentLoaded/ |
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var poll = function () { |
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// check IE's proprietary DOM members |
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if (!document.uniqueID && document.expando) { |
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return; |
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} |
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// you can create any tagName, even customTag like <document :ready /> |
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var tempNode = document.createElement('document:ready'); |
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try { |
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// see if it throws errors until after ondocumentready |
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tempNode.doScroll('left'); |
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// call run |
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run(); |
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} catch (e) { |
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window.setTimeout(poll, 10); |
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} |
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}; |
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// trying to always fire before onload |
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document.onreadystatechange = function () { |
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if (document.readyState === 'complete') { |
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document.onreadystatechange = null; |
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run(); |
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} |
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}; |
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poll(); |
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} |
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}; |
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/** |
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* @namespace domReady |
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* |
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* @public |
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* @param {function} fn |
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* @return {domReady} |
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*/ |
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var domReady = function (fn) { |
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return domReady.on(fn); |
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}; |
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/** |
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* Add code or function to execute when the DOM is ready |
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* @public |
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* @param {function} fn |
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* @return {domReady} |
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*/ |
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domReady.on = function (fn) { |
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// call imediately when DOM is already ready |
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if (isReady) { |
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call(fn); |
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} else { |
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// add to the list |
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fns[fns.length] = fn; |
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} |
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return this; |
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}; |
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/** |
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133
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* Set params that will be passed to every ready handler |
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* @public |
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* @param {Array.<*>} params |
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* @return {domReady} |
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*/ |
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domReady.params = function (params) { |
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args = params; |
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return this; |
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}; |
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143
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/** |
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* Set error callback |
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* @public |
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146
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* @param {function([Error|string])} fn |
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147
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* @return {domReady} |
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*/ |
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149
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domReady.error = function (fn) { |
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errorHandler = fn; |
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return this; |
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}; |
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154
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// initialize |
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init(); |
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157
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|
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// make global |
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158
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window.domReady = domReady; |
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160
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})(window); |
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kMediaGbR /
silverstripe-recaptcha
