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dustinfox-code/form-validator.js

Forked from ksolo/form-validator.js
Last active August 29, 2015 13:56
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Form Validation
Raw
form-validator.js
// shorthand for $(document).ready();
$(function(){
//Your code...
$("form").on("submit",function(event){
event.preventDefault();
$('#errors').empty();
var email = validateEmail(this['email'].value);
var password = validatePassword(this["password"].value);
if (email != true)
{
$('#errors').append(email);
}
if (password != true)
{
for (var i =0; i < password.length; i ++)
{
$('#errors').append(password[i]);
}
}
})
});
function validateEmail(email)
{
if(/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/.test(email) || email == "" || email == " ")
{
return true;
}
else
{
return "<li>Must be a valie email</li>";
}
}
function validatePassword(password)
{
var password = password.value
var errors = [];
if (/.{8,}/.test(password) == false)
{
errors.push("<li>The password must be at least 8 characters in length</li>");
};
if (/[A-Z]+/.test(password) == false)
{
errors.push("<li>The password must contain at least 1 capital letter</li>");
};
if (/[0-9]+/.test(password) == false)
{
errors.push("<li>The password must contain at least 1 number</li>");
};
if (errors == [])
{
return true;
}
else
{
return errors;
};
}
Raw
index.html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="main.css">
<title>Form Validation</title>
</head>
<body>
<form name="sign_up" action="#" method="post">
<label for="email">Email</label>
<input type="text" name="email" />
<label for="password">Password</label>
<input type="password" name="password" />
<button type="submit">Sign Up</button>
<ul id="errors"></ul>
</form><body>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="form-validator.js"></script>
</body>
</html>
Raw
main.css
ul#errors {
color: red;
}
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