intl-tel-input
Version:
A JavaScript plugin for entering and validating international telephone numbers
87 lines (72 loc) • 2.99 kB
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?1638200991544">
<link rel="stylesheet" href="../../build/css/demo.css?1638200991544">
<link rel="stylesheet" href="../css/isValidNumber.css?1638200991544">
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-N472J4QKC4"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-N472J4QKC4');
</script>
</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?1638200991544"
});
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?1638200991544"></script>
<script src="./js/isValidNumber.js?1638200991544"></script>
</body>
</html>