JavaScript动态添加Checkbox复选框及文本节点的方法

var oCheckbox=document.createElement("input");
oCheckbox.setAttribute("type","checkbox");
oCheckbox.setAttribute("id","mayi");

<!DOCTYPE html> 
<html> 
<head> 
<meta charset=" utf-8">
<title>添加checkbox复选框</title>
<script type="text/javascript"> 
var oCheckbox=document.createElement("input");
var myText=document.createTextNode("蚂蚁部落");
oCheckbox.setAttribute("type","checkbox");
oCheckbox.setAttribute("id","mayi");
window.onload=function(){
 var mydiv=document.getElementById("mydiv");
 mydiv.appendChild(oCheckbox);
 mydiv.appendChild(myText);
}
</script> 
</head>
<body>
<div id="mydiv"></div>
</body>
</html>