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Form Validation
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| // shorthand for $(document).ready(); | |
| $(function(){ | |
| $("button").click(function(e){ | |
| e.preventDefault(); | |
| var email = $("#email").val(); | |
| var password = $("#password").val(); | |
| checkError(email, password); | |
| }); | |
| }); | |
| var checkError = function(email, password){ | |
| $("#errors").empty(); | |
| validateEmail(email); | |
| validatePasswordLength(password); | |
| validateCapital(password); | |
| validateNumber(password); | |
| if ($("#errors li").length === 0){ | |
| $("#errors").append("<li>Valid Email and Password</li>"); | |
| } | |
| } | |
| var validateEmail = function(email) { | |
| var validFormat = /^(([^<>()[\]\\.,;:\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,}))$/; | |
| if (validFormat.test(email)){ | |
| return true; | |
| } | |
| else{ | |
| $("#errors").append("<li>Must be a valid email address</li>"); | |
| return false; | |
| } | |
| } | |
| var validatePasswordLength = function(password){ | |
| if(password.length < 8){ | |
| $("#errors").append("<li>Password must be at least 8 characters long.</li>"); | |
| return false; | |
| } | |
| else{ | |
| return true; | |
| } | |
| } | |
| var validateCapital = function(password){ | |
| var validFormat = /[A-Z]/; | |
| if (validFormat.test(password)){ | |
| return true; | |
| } | |
| else{ | |
| $("#errors").append("<li>Password must have at least one capital letter.</li>"); | |
| return false; | |
| } | |
| } | |
| var validateNumber = function(password){ | |
| var validFormat = /[0-9]/; | |
| if (validFormat.test(password)){ | |
| return true; | |
| } | |
| else{ | |
| $("#errors").append("<li>Password must have at least one numeric character(0-9).</li>"); | |
| return false; | |
| } | |
| } |
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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="click" 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> | |
| <h2 id="resultA"></h2> | |
| <h2 id="resultB"></h2> | |
| </body> | |
| </html> |
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| body { | |
| text-align: center; | |
| } | |
| #errors { | |
| list-style-type: none; | |
| font-size: 24px; | |
| color: red; | |
| } |
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