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JavaScript round() Method

Math Object Reference Complete Math Object Reference

Definition and Usage

The round() method rounds a number to the nearest integer.

Syntax

Math.round(x)

Parameter Description
x Required. A number

Example

In this example we will round different numbers with the round() method:

<script type="text/javascript">

document.write(Math.round(0.60) + "<br />");
document.write(Math.round(0.50) + "<br />");
document.write(Math.round(0.49) + "<br />");
document.write(Math.round(-4.40) + "<br />");
document.write(Math.round(-4.60));

</script>

The output of the code above will be:

1
1
0
-4
-5

Try it yourself »
Math Object Reference Complete Math Object Reference

From http://www.w3schools.com (Copyright Refsnes Data)