非阻塞动态加载javascript广告

2024-04-27 14:05:21

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>广告代码最后加载</title>
</head>

<body>
<div id="open"></div>
<script>
//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("72893")');
}
</script>
</body>
</html>

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