<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
<script language="javascript">
function doMultiple(){
var v1 = document.getElementById("value1").value;
var v2 = document.getElementById("value2").value;
var total = document.getElementById("total");
total.innerHTML = parseInt(v1) parseInt(v2);
};
</script>
</head>
<body>
<input type="text" id="value1" ><br />
<input type="text" id="value2" ><br />
<input type="submit" value="OK" onclick="doMultiple();" />
<div id="total"></div>
</body>
</html>
อันที่แถมให้ครับใช้ javascript
พัฒนาเว็บไซต์
