非阻塞动态加载javascript广告实现代码_javascript技巧



代码如下:









//ad("open",'alert("ddd")');
var JSScript = {
inject:function (htmlId,jsCode){
var script = document.createElement("script");
script.text = jsCode;
document.getElementById(htmlId).appendChild(script);
},
loadeing:function (url,charset,callback){
var script = document.createElement("script");
script.src = url;
script.charset = charset;
script.loaded= false;
script.onload = function(){
script.loaded = true;
callback();
};
script.onreadystatechange = function(){
if(!script.onloadDone && ("loaded"==script.readyState || "complete"==script.readyState)){
script.onload();
}
};
document.getElementsByTagName("head")[0].appendChild(script);
}
}
JSScript.loadeing("http://cbjs.baidu.com/js/s.js","gb2312",initAd)
function initAd(){
JSScript.inject("open",'BAIDU_CLB_singleFillSlot("723")');
}