调用控件的onkeyup事件<html>
<head>
<script language=javascript>
function check(){
//检查的代码
}
</script>
</head>
<body>
<input type="text" name="111" onkeyup="javascript:check();"></input>
</body>
</html>
<head>
<script language=javascript>
function check(){
//检查的代码
}
</script>
</head>
<body>
<input type="text" name="111" onkeyup="javascript:check();"></input>
</body>
</html>
<html>
<head>
<script language=javascript>
function check(){
var Email = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
return Email.test(111.value)?true:false;
}
</script>
</head>
<body>
<input type="text" name="111" onkeyup="javascript:check();"></input>
</body>
</html>