Kiểu nhập url
<!DOCTYPE html>
<html lang="en">
<head>
<title>HTML5 URL Input Type</title>
<style>
input[type="url"]:valid{
outline: 2px solid green;
}
input[type="url"]:invalid{
outline: 2px solid red;
}
</style>
<script>
function getValue() {
var url = document.getElementById("myurl").value;
alert(url);
}
</script>
</head>
<body>
<form>
<label for="myurl">Enter Website URL:</label>
<input type="url" id="myurl" required>
<button type="button" onclick="getValue();">Get Value</button>
</form>
<p><strong>Note</strong>: Enter URL in the form like https://www.google.com</p>
</body>
</html>
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