<html>
<head>
<script
src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$('.numbers').keyup(function
() {
this.value =
this.value.replace(/[^0-9\.]/g,'');
});
});
</script>
<body>
<p>Enter the Number:
<input
type="text" class="numbers" value=""
/></p>
</body>
</html>
