Java代碼
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript">
document.onkeydown = function(evt){
var evt = window.event?window.event:evt;
if(evt.keyCode==13) {
alert(event.srcElement.id);
}
}
</script>
</HEAD>
<BODY>
用戶名： <input type="text" id="user" name="user" />
密碼：<input type="text" id="password" name="password"/>
<input type="button" id="submitButton" name="submitButton" value="提交" />
</BODY>
</HTML>
作者“waynett的博客”
