001_JavaScript_onblur
<html>
<head>
<script type="text/javascript">
function upperCase()
{
var x=document.getElementById("fname").value
document.getElementById("fname").value=x.toUpperCase()
}
</script>
</head>
<body>
输入些字母：
<input type="text" id="code" onblur="upperCase()">
</body>
</html>
