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Form Validation
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| // shorthand for $(document).ready(); | |
| $(function(){ | |
| //Your code... | |
| $("#submit").attr('disabled','disabled'); | |
| var validateEmail = function(email){ | |
| return email.match(/\w+@\w+\.\w+/) != null; | |
| }; | |
| var validatePassword = function(password){ | |
| return passwordHasDigit(password) && passwordHasLength(password) && hasCapitalLetter(password) | |
| }; | |
| var passwordHasDigit = function(password){ | |
| return password.match(/\d/) !== null | |
| }; | |
| var passwordHasLength = function(password){ | |
| return password.length >= 8 | |
| }; | |
| var hasCapitalLetter = function(password){ | |
| return password.match(/[A-Z]/) !== null | |
| }; | |
| $(document).on('keyup', function(){ | |
| var passData = $('#password').val(); | |
| var emailData = $('#email').val(); | |
| if (validateEmail(emailData)){ | |
| $('.email_error').addClass('green') | |
| } else { | |
| $('.email_error').removeClass('green') | |
| } | |
| if (passwordHasDigit(passData)){ | |
| $('#digit').addClass('green'); | |
| } else { | |
| $('#digit').removeClass('green') | |
| } | |
| if (passwordHasLength(passData)){ | |
| $('#length').addClass('green'); | |
| } else { | |
| $('#length').removeClass('green'); | |
| } | |
| if (hasCapitalLetter(passData)){ | |
| $('#capital').addClass('green'); | |
| } else { | |
| $('#capital').removeClass('green') | |
| } | |
| if (validatePassword(passData) && validateEmail(emailData)) { | |
| console.log(validatePassword(passData) && validateEmail(emailData)) | |
| $("#submit").removeAttr("disabled"); | |
| } else{ | |
| console.log("boooooooo"); | |
| $("#submit").attr('disabled','disabled'); | |
| } | |
| }); | |
| }); |
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| <!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 id="email"type="text" name="email" /> | |
| <label for="password">Password</label> | |
| <input id="password"type="password" name="password" /> | |
| <button id="submit" type="submit">Sign Up</button> | |
| <ul id="errors"> | |
| <li class="email_error">Must be valid email address</li> | |
| <li id="length" >Password must have at least 8 characters</li> | |
| <li id="capital">Password must have at least one capital letter</li> | |
| <li id="digit">Password must have at least one numeric character</li> | |
| </ul> | |
| </form> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
| <script src="form-validator.js"></script> | |
| </body> | |
| </html> |
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| ul#errors { | |
| color: red; | |
| } | |
| .green{ | |
| color: #5CF520; | |
| } | |
| .red { | |
| color:red; | |
| } |
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