<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<Script>
function subForm(){
if(confirm("是否提交?")){
return true
}else{
return false
}
}
</Script>
<body>
<form action="javascript:alert(1)" method="get" onSubmit="event.returnValue=subForm()">
<input name="click" type="submit">
</form>
</body>
</html>

解决方案 »

  1.   

    <!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 language="JavaScript">
    <!--
    function check()
    {
    return confirm("是否提交");
    }
    //-->
    </script>
    </head><body>
    <form onsubmit="return check()" action="a.htm">
    <input type=submit value="submit">
    </form>
    </body>
    </html>
      

  2.   

    <form action="xxx.asp" onSubmit="return confirm("是否提交?");">