JavaScript round() Method
Example
Round a number to the nearest integer:
Math.round(2.5);
The result will be:
3
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More "Try it Yourself" examples below.
Definition and Usage
The round() method rounds a number to the nearest integer.
Note: 2.49 will be rounded down, 2.5 will be rounded up.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| round() | Yes | Yes | Yes | Yes | Yes |
Syntax
Math.round(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. The number to be rounded |
Technical Details
| Return Value: | A Number, representing the nearest integer |
|---|---|
| JavaScript Version: | 1.0 |
More Examples
Example
Round different numbers to the nearest integer:
var a = Math.round(2.60);
var b = Math.round(2.50);
var c = Math.round(2.49);
var d = Math.round(-2.60);
var e = Math.round(-2.50);
var f = Math.round(-2.49);
The result of a,b,c,d,e, and f will be:
3
3
2
-3
-2
-2
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JavaScript Math Object
