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bahrieinn/form-validator.js

Forked from ksolo/form-validator.js
Last active December 22, 2015 09:48
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Form Validation
Raw
form-validator.js
// shorthand for $(document).ready();
$(document).ready(function(){
$("form").submit(function(e) {
e.preventDefault();
var emailInput = $("input").first().val();
var passwordInput = $("input").last().val();
if (!validateEmail(emailInput)) {
$("#errors").append("<li>Invalid Email</li>");
}
var errors = validatePassword(passwordInput);
if (errors.length > 0 ) {
for (var i=0; i < errors.length; i++) {
$("#errors").append("<li>" + errors[i] + "</li>");
}
}
});
});
var validateEmail = function(address) {
if (address.match(/(.+@\w+\.\w{2,3})/)) {
return true;
} else {
return false;
}
}
var validatePassword = function(password) {
var errors = [];
if (!password.match(/[0-9]+/)) {
errors.push("Email must contain at least one number");
}
if (!password.match(/[A-Z]+/)) {
errors.push("Email must contain at least one capital letter");
}
if (password.length < 8) {
errors.push("Email must be at least 8 characters long")
}
return errors;
}
//Need to validate:
// 1. Email Format
// 2. Password:
// - one numeric character
// - one capital letter
// - at least 8 chars long
$("#errors").append()
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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