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jbwilmoth/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(){
function validPasswordLength(password) {
if (password.length >= 8) {
return true
}
else {
return "Password must be at least 8 characters long."
}
}
function validEmail(email) {
var re = new RegExp(/^(([^<>()[\]\\.,;:\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,}))$/);
return re.test(email) ? true : "Must be a valid email address"
}
function validCapital(password) {
var recap = new RegExp(/[A-Z]/);
return recap.test(password) ? true : "Password must have a capital letter.";
}
function validNumber(password) {
var renum = new RegExp(/\d/);
return renum.test(password) ? true : "Password must have at least one number."
}
$(function(){
$('button').click(function(event){
event.preventDefault();
var email = document.forms['sign_up'].elements['email'].value
var password = document.forms['sign_up'].elements['password'].value
var validationsArray = [validEmail(email), validCapital(password), validNumber(password), validPasswordLength(password)]
validationsArray = validationsArray.filter(function(element){
return element !== true;
})
if (validationsArray.length === 0){
console.log("All input is valid.")
}
else {
$.each(validationsArray, function(index, value){
$('#errors').append('<li>' + value + '</li>');
})
}
});
});
});
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: orange;
}
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