console
window.onload=function(){
var oDiv=document.createElement("div");
var oP=document.createElement("p");
oDiv.appendChild(oP);
var oText=document.createTextNode("Hi form Dynamic DOM");
oP.appendChild(oText);
var oP1=document.createElement("p");
oDiv.appendChild(oP1);
var oText1=document.createTextNode("Hi form Dynamic DOM 2");
oP.appendChild(oText1);
document.body.appendChild(oDiv);
var oDiv1=document.createElement("div");
document.body.appendChild(oDiv1);
oDiv1.innerHTML="<p> Hi from innerHTML <p>\
<p> Hi from innerHTML 2 <p>\
<p> Hi from innerHTML 3 <p>";
console.log("line 22" + oDiv1.innerText);
var yu=document.createElement('input');
yu.id="botn";
yu.type="button";
yu.value="按钮";
document.body.appendChild(yu);
var yDiv2=document.createElement("div");
yDiv2.innerHTML="<input id='btn'type='button' value='按钮1'/>";
document.body.appendChild(yDiv2);
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
</style>
<script>
</script>
</head>
<body>
</body>