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分享为什么我javascript程序无法执行?
为什么我javascript程序无法执行?页面中的form好像根本没有通过js验证,直接就提交了表单!!不知道为什么,代码如下:
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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>修改密码</title>
<script LANGUAGE="javascript">
<!--
function check()
{
if(document.form.newpwd.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd.focus();
return false;
}
if(document.form.newpwd2.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd2.focus();
return false;
}
if(document.form.newpwd.value<>document.form.newpwd2.value)
{
alert("新密码两次输入不同!");
document.form.newpwd.focus();
return false;
}
}
//-->
</script>
</head>
<body>
<p>
</p>
<form id="form" name="form" method="post" action="updatepwd.asp" onsubmit="return check()">
<p>用户名
:<%=session("user_name")%> </p>
<p>旧密码:
<label>
<input name="oldpwd" type="password" id="oldpwd" />
</label>
</p>
<p>新密码:
<label>
<input name="newpwd" type="password" id="newpwd" />
</label>
</p>
<p>确认新密码:
<label>
<input name="newpwd2" type="password" id="newpwd2" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="确认" />
</label>
<label>
<input type="reset" name="Submit2" value="重设" />
</label>
</p>
</form>
<p> </p>
</body>
</html>
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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>修改密码</title>
<script LANGUAGE="javascript">
<!--
function check()
{
if(document.form.newpwd.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd.focus();
return false;
}
if(document.form.newpwd2.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd2.focus();
return false;
}
if(document.form.newpwd.value<>document.form.newpwd2.value)
{
alert("新密码两次输入不同!");
document.form.newpwd.focus();
return false;
}
}
//-->
</script>
</head>
<body>
<p>
</p>
<form id="form" name="form" method="post" action="updatepwd.asp" onsubmit="return check()">
<p>用户名
:<%=session("user_name")%> </p>
<p>旧密码:
<label>
<input name="oldpwd" type="password" id="oldpwd" />
</label>
</p>
<p>新密码:
<label>
<input name="newpwd" type="password" id="newpwd" />
</label>
</p>
<p>确认新密码:
<label>
<input name="newpwd2" type="password" id="newpwd2" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="确认" />
</label>
<label>
<input type="reset" name="Submit2" value="重设" />
</label>
</p>
</form>
<p> </p>
</body>
</html>
...全文
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wangwm 2007-05-02
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<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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>修改密码</title>
<script LANGUAGE="javascript">
<!--
function check()
{
if(document.form.newpwd.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd.focus();
return false;
}
if(document.form.newpwd2.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd2.focus();
return false;
}
if(document.form.newpwd.value!=document.form.newpwd2.value)
{
alert("新密码两次输入不同!");
document.form.newpwd.focus();
return false;
}
}
//-->
</script>
</head>
<body>
<p>
</p>
<form id="form" name="form" method="post" action="updatepwd.asp" onsubmit="return check()">
<p>用户名
:<%=session("user_name")%> </p>
<p>旧密码:
<label>
<input name="oldpwd" type="password" id="oldpwd" />
</label>
</p>
<p>新密码:
<label>
<input name="newpwd" type="password" id="newpwd" />
</label>
</p>
<p>确认新密码:
<label>
<input name="newpwd2" type="password" id="newpwd2" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="确认" />
</label>
<label>
<input type="reset" name="Submit2" value="重设" />
</label>
</p>
</form>
<p> </p>
</body>
</html>
整个复制过去看看
<!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>修改密码</title>
<script LANGUAGE="javascript">
<!--
function check()
{
if(document.form.newpwd.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd.focus();
return false;
}
if(document.form.newpwd2.value.length==0)
{
alert("新密码不能为空!");
document.form.newpwd2.focus();
return false;
}
if(document.form.newpwd.value!=document.form.newpwd2.value)
{
alert("新密码两次输入不同!");
document.form.newpwd.focus();
return false;
}
}
//-->
</script>
</head>
<body>
<p>
</p>
<form id="form" name="form" method="post" action="updatepwd.asp" onsubmit="return check()">
<p>用户名
:<%=session("user_name")%> </p>
<p>旧密码:
<label>
<input name="oldpwd" type="password" id="oldpwd" />
</label>
</p>
<p>新密码:
<label>
<input name="newpwd" type="password" id="newpwd" />
</label>
</p>
<p>确认新密码:
<label>
<input name="newpwd2" type="password" id="newpwd2" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="确认" />
</label>
<label>
<input type="reset" name="Submit2" value="重设" />
</label>
</p>
</form>
<p> </p>
</body>
</html>
整个复制过去看看
crash_linkin 2007-05-02
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谢谢!!!!wangwm,问题已经解决,原来是基本语法记错了,唉~~~~万分感谢
kivetja 2007-05-02
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完全同意wangwm
glvicky 2007-05-02
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UP
wangwm 2007-05-02
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if(document.form.newpwd.value!=document.form.newpwd2.value)
{
alert("新密码两次输入不同!");
document.form.newpwd.focus();
return false;
}
{
alert("新密码两次输入不同!");
document.form.newpwd.focus();
return false;
}
crash_linkin 2007-05-02
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js验证好像根本没有用,根本没有弹出消息框,请各位大虾们帮帮忙
