<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title> 鼠标经过事件 </title>
<script type="text/javascript">
function some()
confirm {
("请输入你的姓名之后提交");}
</script>
<body>
<form>
密码：<input name="password" type="password">
<input name="button" type="button" value="提交" onmouseover="some()">
</form>
</body>
</html>
<script type="text/javascript">
function some()
confirm {
("请输入你的姓名之后提交");}
</script>花括号没加到正确的位置，应该在some()后
<script type="text/javascript">
function some(){
confirm("请输入你的姓名之后提交");
}
</script>