<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Example: Validation</title> <link rel="stylesheet" href="../css/prism.css"> <link rel="stylesheet" href="../../build/css/intlTelInput.css?1541153396801"> <link rel="stylesheet" href="../../build/css/demo.css?1541153396801"> <link rel="stylesheet" href="../css/isValidNumber.css?1541153396801"> <!-- GOOGLE ANALYTICS --> <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-85394876-1', 'auto'); ga('send', 'pageview'); </script> <!-- /GOOGLE ANALYTICS --> </head> <body> <a href="/">Back</a> <h1>Example: Validation</h1> <p>Use the isValidNumber method (which utilises Google's libphonenumber) to validate the telephone number on the blur event.</p> <h2>Markup</h2> <pre><code class="language-markup"><input id="phone" type="tel"> <span id="valid-msg" class="hide">✓ Valid</span> <span id="error-msg" class="hide"></span> </code></pre> <h2>Code</h2> <pre><code class="language-javascript">var input = document.querySelector("#phone"), errorMsg = document.querySelector("#error-msg"), validMsg = document.querySelector("#valid-msg"); // here, the index maps to the error code returned from getValidationError - see readme var errorMap = [ "Invalid number", "Invalid country code", "Too short", "Too long", "Invalid number"]; // initialise plugin var iti = window.intlTelInput(input, { utilsScript: "../../build/js/utils.js?1541153396801" }); var reset = function() { input.classList.remove("error"); errorMsg.innerHTML = ""; errorMsg.classList.add("hide"); validMsg.classList.add("hide"); }; // on blur: validate input.addEventListener('blur', function() { reset(); if (input.value.trim()) { if (iti.isValidNumber()) { validMsg.classList.remove("hide"); } else { input.classList.add("error"); var errorCode = iti.getValidationError(); errorMsg.innerHTML = errorMap[errorCode]; errorMsg.classList.remove("hide"); } } }); // on keyup / change flag: reset input.addEventListener('change', reset); input.addEventListener('keyup', reset); </code></pre> <h2>Result</h2> <div id="result"> <input id="phone" type="tel"> <span id="valid-msg" class="hide">✓ Valid</span> <span id="error-msg" class="hide"></span> </div> <script src="../js/prism.js"></script> <script src="../../build/js/intlTelInput.js?1541153396801"></script> <script src="./js/isValidNumber.js?1541153396801"></script> </body> </html>