JavaScript round()Method
JavaScript Math ObjectExample
The round() method rounds a number to the nearest integer:
Math.round(2.5);
Output:
3
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Definition and Usage
The round() method rounds a number to the nearest integer.
Note:2.49 will round to 2, 2.5 will round to 3.
Browser Support
All major browsers support the round() method
Syntax
Math.round(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. Must be a number. |
Return Value
| Type | Description |
|---|---|
| Number | The nearest integer. |
Technical Details
| 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);
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);
a,b,c,d,e, andfOutput:
3
3
2
-3
-2
-2
3
2
-3
-2
-2
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Other Extensions