console
window.onload = function ()
{
var odiv=document.createElement('div');
var oP=document.createElement('p');
var oText=document.createTextNode('Hi,dynamic Dom');
oP.appendChild(oText);
odiv.appendChild(oP);
var oP1=document.createElement('p');
var oText1=document.createTextNode('Hi,Fengfeng');
oP1.appendChild(oText1);
odiv.appendChild(oP1);
document.body.appendChild(odiv);
var oP2=document.createElement('input');
document.body.appendChild(oP2);
oP2.id="btn";
oP2.type="button";
oP2.value="按钮";
var oP3=document.createElement('input');
oP3.innerHTML='<input id="btn" type="button" value="按钮"/>';
document.body.appendChild(oP3);
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
</style>
<script>
</script>
</head>
<body>
</body>
</html>