/**
 * 
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
<script>
var iframe = document.createElement("IFRAME");
document.body.appendChild(iframe);
iframe.src = "http://jb51.cc";
if (iframe.attachEvent) {
            iframe.attachEvent("onload",function () {
                alert("Local iframe is now loaded.");
            });
} else {
            iframe.onload = function () {
                alert("Local iframe is now loaded.");
         };
}
</script>
// 来自：编程之家 jb51.cc（jb51.cc）