Example
Round a number upward to it's nearest integer:
Math.ceil(1.4)
The result will be:
2
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More "Try it Yourself" examples below.
Definition and Usage
The ceil() method rounds a number UPWARDS to the nearest integer, and returns the result.
If the passed argument is an integer, the value will not be rounded.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| ceil() | Yes | Yes | Yes | Yes | Yes |
Syntax
Math.ceil(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. The number you want to round |
Technical Details
| Return Value: | A Number, representing the nearest integer when rounding upwards |
|---|---|
| JavaScript Version: | 1.0 |
More Examples
Example
Use the ceil() method on different numbers:
var a = Math.ceil(0.60);
var b = Math.ceil(0.40);
var c = Math.ceil(5);
var d = Math.ceil(5.1);
var e = Math.ceil(-5.1);
var f = Math.ceil(-5.9);
The result of a,b,c,d,e, and f will be:
1
1
5
6
-5
-5
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< JavaScript Math Object