1 input type=button value=剪切 onclick=document.execCommand('Cut')> 2  3 input type=button value=拷贝 onclick=document.execCommand('Copy')> 4  5 input type=button value=粘贴 onclick=document.execCom

var oFrm = document.getElementById('mainFrame');oFrm.onreadystatechange = function() {if ( this.readyState == 'complete') {alert("加载完毕");}}