HTML5 - Kiểu nhập phạm vi
Kiểu nhập phạm vi
<!DOCTYPE html>
<html lang="en">
<head>
<title>HTML5 Range Input Type</title>
<script>
function getValue() {
var number = document.getElementById("mynumber").value;
alert(number);
}
</script>
</head>
<body>
<form>
<label for="mynumber">Select a Number:</label>
<input type="range" min="1" max="10" step="0.5" id="mynumber">
<button type="button" onclick="getValue();">Get Value</button>
</form>
</body>
</html>
