Use the Math.round() method to get the value of a number rounded to the nearest integer.
Example
You can try to run the following code to return the value of a number rounded to the nearest integer in JavaScript −
<html>
<head>
<title>JavaScript Math round() Method</title>
</head>
<body>
<script>
var value = Math.round( 0.5 );
document.write("First Test Value : " + value );
var value = Math.round( 20.7 );
document.write("<br />Second Test Value : " + value );
var value = Math.round( 20.3 );
document.write("<br />Third Test Value : " + value );
var value = Math.round( -20.3 );
document.write("<br />Fourth Test Value : " + value );
</script>
</body>
</html>