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Form Validation
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| $(document).ready(function(){ | |
| console.log(errors); | |
| $(function(){ | |
| $("form").on("submit", function(event){ | |
| $("#errors").html(""); | |
| email = $("input").first().val(); | |
| password = $("input").last().val(); | |
| validateEmail(email); | |
| validatePassword(password); | |
| event.preventDefault(); | |
| }); | |
| }); | |
| }); | |
| function validateEmail(email) | |
| { | |
| var emailRegexp = "[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum)" | |
| if (email.match(emailRegexp) === null) { | |
| $("#errors").append("<li>Must be a valid email address.</li>") | |
| } | |
| } | |
| function validatePassword(password) | |
| { | |
| //check for single numeric | |
| var passwordNumberRegexp = "(.*\d)" | |
| if (password.match(passwordNumberRegexp) === null) { | |
| $("#errors").append("<li>Password must have at least one numeric character (0-9)</li>") | |
| } | |
| // check for at least one capital letter | |
| var passwordAlphaRegexp = "(.*[A-Z])" | |
| if (password.match(passwordAlphaRegexp) === null) { | |
| $("#errors").append("<li>Password must have at least one capital letter.</li>") | |
| } | |
| //check for at least 8 len | |
| var passwordLen = "(\S{8,})" | |
| if (password.match(passwordLen) === null) { | |
| $("#errors").append("<li>Password must be at least 8 characters long.</li>") | |
| } | |
| } |
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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 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> |
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| ul#errors { | |
| color: red; | |
| } |
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