JavaScript验证:返回false在重新输入密码时不工作
我的javascript验证代码正在运行 Javascript:My Javascript all字段在重新输入密码时返回false工作Javascript return false不工作JavaScript验证:返回false在重新输入密码时不工作,javascript,Javascript,我的javascript验证代码正在运行 Javascript:My Javascript all字段在重新输入密码时返回false工作Javascript return false不工作 重新输入密码javascript代码无效 [Here is js Fiddle][1] [1]: https://jsfiddle.net/Ln1cmaps/ **HTML** <div class="container"> <div cl
重新输入密码javascript代码无效
[Here is js Fiddle][1]
[1]: https://jsfiddle.net/Ln1cmaps/
**HTML**
<div class="container">
<div class="row main">
<div class="main-login main-center">
<h2>Admin Ragistration</h2>
<form class="" method="post" action="" name="signup" onsubmit="return validate()">
<div class="form-group">
<label for="name" class="cols-sm-2 control-label">Your Name</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-user fa" aria-hidden="true"></i></span>
<input type="text" class="form-control" name="name" id="name" placeholder="Enter your Name"/>
</div>
</div>
</div>
<div class="form-group">
<label for="email" class="cols-sm-2 control-label">Your Email</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-envelope fa" aria-hidden="true"></i></span>
<input type="email" class="form-control" name="email" id="email" placeholder="Enter your Email"/>
</div>
</div>
</div>
<div class="form-group">
<label for="username" class="cols-sm-2 control-label">Username</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-users fa" aria-hidden="true"></i></span>
<input type="text" class="form-control" name="username" id="username" placeholder="Enter your Username"/>
</div>
</div>
</div>
<div class="form-group">
<label for="password" class="cols-sm-2 control-label">Password</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-lock fa-lg" aria-hidden="true"></i></span>
<input type="password" class="form-control" name="password" id="password" placeholder="Enter your Password"/>
</div>
</div>
</div>
<div class="form-group">
<label for="confirm" class="cols-sm-2 control-label">Confirm Password</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-lock fa-lg" aria-hidden="true"></i></span>
<input type="password" class="form-control" name="confirmpassword" id="confirm" placeholder="Confirm your Password"/>
</div>
</div>
</div>
<div class="form-group ">
<input type="submit" name="submit" value="Register" class="btn btn-primary btn-lg btn-block login-button" />
</div>
</form>
</div>
</div>
</div>
**Javascript validation Code**
function validate() {
var name = document.signup.name.value.length;
var email = document.signup.email.value.length;
var username = document.signup.username.value.length;
var password = document.signup.password.value;
var rpass = document.signup.confirmpassword.value;
var re =(/^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[!@#$%^&*])[a-zA-Z0-9!@#$%^&*]{8,16}$/);
if(name=="") {
alert("Please Enter Your Name");
document.signup.name.focus();
return false;
}
if(name<3) {
alert("Please Enter Your Correct Name");
document.signup.name.focus();
return false;
}
if(email=="") {
alert("Please Enter email");
document.signup.email.focus();
return false;
}
if(email<3) {
alert("Please Enter Your Correct email");
document.signup.email.focus();
return false;
}
if(username=="") {
alert("Please Enter Username");
document.signup.username.focus();
return false;
}
if(username<5) {
alert("Please Enter Username at least 5 digit");
document.signup.username.focus();
return false;
}
if(password=="") {
alert("Please Enter Your password");
document.signup.password.focus();
return false;
}
if(!re.test(password)) {
alert("Error: Password Must Contain Atleast One Number,One Special Character & One Upper Case");
document.signup.password.focus();
return false;
}
if(rpass =="") {
alert("Please Enter Your Password Again");
document.signup.rpass.focus();
return false;
}
if(rpass != password) {
alert("Password does'nt Matched");
document.signup.rpass.focus();
return false;
}
else {
return true;
}
}
它的警报显示…警报显示表单提交后 返回false不工作
[Here is js Fiddle][1]
[1]: https://jsfiddle.net/Ln1cmaps/
**HTML**
<div class="container">
<div class="row main">
<div class="main-login main-center">
<h2>Admin Ragistration</h2>
<form class="" method="post" action="" name="signup" onsubmit="return validate()">
<div class="form-group">
<label for="name" class="cols-sm-2 control-label">Your Name</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-user fa" aria-hidden="true"></i></span>
<input type="text" class="form-control" name="name" id="name" placeholder="Enter your Name"/>
</div>
</div>
</div>
<div class="form-group">
<label for="email" class="cols-sm-2 control-label">Your Email</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-envelope fa" aria-hidden="true"></i></span>
<input type="email" class="form-control" name="email" id="email" placeholder="Enter your Email"/>
</div>
</div>
</div>
<div class="form-group">
<label for="username" class="cols-sm-2 control-label">Username</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-users fa" aria-hidden="true"></i></span>
<input type="text" class="form-control" name="username" id="username" placeholder="Enter your Username"/>
</div>
</div>
</div>
<div class="form-group">
<label for="password" class="cols-sm-2 control-label">Password</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-lock fa-lg" aria-hidden="true"></i></span>
<input type="password" class="form-control" name="password" id="password" placeholder="Enter your Password"/>
</div>
</div>
</div>
<div class="form-group">
<label for="confirm" class="cols-sm-2 control-label">Confirm Password</label>
<div class="cols-sm-10">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-lock fa-lg" aria-hidden="true"></i></span>
<input type="password" class="form-control" name="confirmpassword" id="confirm" placeholder="Confirm your Password"/>
</div>
</div>
</div>
<div class="form-group ">
<input type="submit" name="submit" value="Register" class="btn btn-primary btn-lg btn-block login-button" />
</div>
</form>
</div>
</div>
</div>
**Javascript validation Code**
function validate() {
var name = document.signup.name.value.length;
var email = document.signup.email.value.length;
var username = document.signup.username.value.length;
var password = document.signup.password.value;
var rpass = document.signup.confirmpassword.value;
var re =(/^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[!@#$%^&*])[a-zA-Z0-9!@#$%^&*]{8,16}$/);
if(name=="") {
alert("Please Enter Your Name");
document.signup.name.focus();
return false;
}
if(name<3) {
alert("Please Enter Your Correct Name");
document.signup.name.focus();
return false;
}
if(email=="") {
alert("Please Enter email");
document.signup.email.focus();
return false;
}
if(email<3) {
alert("Please Enter Your Correct email");
document.signup.email.focus();
return false;
}
if(username=="") {
alert("Please Enter Username");
document.signup.username.focus();
return false;
}
if(username<5) {
alert("Please Enter Username at least 5 digit");
document.signup.username.focus();
return false;
}
if(password=="") {
alert("Please Enter Your password");
document.signup.password.focus();
return false;
}
if(!re.test(password)) {
alert("Error: Password Must Contain Atleast One Number,One Special Character & One Upper Case");
document.signup.password.focus();
return false;
}
if(rpass =="") {
alert("Please Enter Your Password Again");
document.signup.rpass.focus();
return false;
}
if(rpass != password) {
alert("Password does'nt Matched");
document.signup.rpass.focus();
return false;
}
else {
return true;
}
}
[这里是js Fiddle][1]
[1]: https://jsfiddle.net/Ln1cmaps/
**HTML**
行政管理
你的名字
你的电子邮件
用户名
密码
确认密码
**Javascript验证代码**
函数验证(){
var name=document.signup.name.value.length;
var email=document.signup.email.value.length;
var username=document.signup.username.value.length;
var password=document.signup.password.value;
var rpass=document.signup.confirmpassword.value;
变量re=(/^(?=.[A-Z])(?=.[A-Z])(?=.[0-9])(?=.[!@$%^&*])[A-zA-Z0-9!@$%^&*]{8,16}$/);
如果(名称==“”){
警告(“请输入您的姓名”);
document.signup.name.focus();
返回false;
}
如果(姓名)
这是错误的,rpass字段不存在。您应该编写
document.signup.confirmpassword.focus();
在javascript函数开始时给出事件.preventDefault();
。我认为您需要更改
else {
return true;
}
简单地说
return true;
您当前只适用于最后一个if。如果在所有情况下都返回false,则不需要使用另一个。
换句话说:如果您首先检查所有可能的无效情况,那么您可以在最后安全地返回true
。用以下代码替换您的var re:无需包含括号
你的代码
变量re=(/^(?=[A-Z])(?=[A-Z])(?=[0-9])(?=[!@$%^&])[A-zA-Z0-9!@$%^-]{8,16}$/)
更新代码
var re=/^(?=.[A-Z])(?=.[A-Z])(?=.[0-9])(?=.!@$%^&])[A-zA-Z0-9!@$%^-]{8,16}$/;请正确解释您的问题。请输入密码javascript代码不起作用…其警报显示…在警报显示表单提交后没有rpass。如果(rpass!=密码){警报(“密码不匹配”)应更改为确认密码;document.signup.confirmpassword.focus();返回false;}