nbsp;html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<ｓｃｒｉｐｔ> <br /> function checkPasswords() { <br /> var pass1 = document.getElementsByName("password1"); <br /> var pass2 =document.getElementsByName("password2"); <br /> if (pass1.value!=pass2.value) <br /> { <br /> alert("两次输入的密码不一致"); <br /> } <br /> else <br /> { <br /> alert("两次输入的密码一致"); <br /> } <br /> } <br /> </ｓｃｒｉｐｔ>



Check Validity

回复讨论(解决方案)

function checkPasswords() {
        var pass1 = document.getElementsByName("password1")[0];
        var pass2 =document.getElementsByName("password2")[0];
        if (pass1.value!=pass2.value)
            {
alert("两次输入的密码不一致");
}
else
{
alert("两次输入的密码一致");
}
}