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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
window.onload=function(){
document.getElementById("test").onkeydown=function(event){
return false;
}
document.getElementById("test2").onkeyup=function(event){
return false;
}
document.getElementById("test3").onkeypress=function(){
return false;
}
}
</script>
</head>
<body>
<input type="text" id="test" />
<input type="text" id="test2" />
<input type="text" id="test3" />
</body>
</html>
<!doctype html>
<html>
<head>
<meta charset="gb2312" />
<title></title>
<style>
</style>
</head>
<body>
<input id="test" />
<script>
function $(o){return document.getElementById(o)}
$('test').onkeydown = function(e){
e = e || window.event;
alert( e.keyCode ) //验证keyCode
}
</script>
</body>
</html>