To restrict input to only numbers in JavaScript, you can use the <input> element with the type attribute set to "number". Additionally, you can add some JavaScript to handle input validation if needed.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Number Input Restriction</title>
<script>
function allowOnlyNumbers(event) {
const input = event.target;
input.value = input.value.replace(/[^0-9]/g, '');
}
</script>
</head>
<body>
<input type="text" oninput="allowOnlyNumbers(event)" />
</body>
</html>
