动态创建按钮的JS

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>创建动态按钮</TITLE>
<META NAME="Email" CONTENT="798033502@qq.com">
<META NAME="Author" CONTENT="MXi4oyu">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript">
function show()
{
   var mydiv=document.getElementById("mydiv");
   var input =document.createElement("input");
   input.type="button";
   input.value="动态按钮";
   mydiv.appendChild(input)
}
</script>
</HEAD>