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动态加载javascript
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/*
*title:動態(tài)加載script文件
*description:動態(tài)加載scrip
*time：2012-05-16
*/function load_script(url, callback) {var script = document.createElement('script');script.type = 'text/javascript';if (script.readyState) { //IE script.onreadystatechange = function() {if (script.readyState == 'loaded' || script.readyState == 'complete') {script.onreadystatechange = null;callback();}}} else { //others script.onload = function() {callback();}}script.src = url;document.getElementsByTagName('head')[0].appendChild(script);
}/**
*動態(tài)加載js 摘自:http://www.zhangjingwei.com/archives/asynchronous-loading-js/
*description:同步加載，按順序加載javascript文件
*/
var loadscript =
{$$: function(id) { return document.getElementById(id) },tag: function(element) { return document.getElementsByTagName(element) },ce: function(element) { return document.createElement(element) },ls: function(url) {var req = this.createXmlHttp();req.open('GET', url, false);req.send(null);try {if (req.status == 200 || req.status == 0)window.eval(req.responseText);} catch (e) { }},createXmlHttp: function() {var xmlHttp;if (window.ActiveXObject) {xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");} else if (window.XMLHttpRequest) {xmlHttp = new XMLHttpRequest();}return xmlHttp;}
}
轉(zhuǎn)載于:https://www.cnblogs.com/yeminglong/archive/2012/08/10/2631787.html
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