ceil() Math class method
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ceil()
Description
Returns the smallest integer greater than or equal to a number.
- Like all class methods
ceil()should be used on the class rather than an instance of the class.
Syntax
| Signature | Description |
|---|---|
Math.ceil(value) | Returns the smallest integer greater than or equal to a number. |
Parameters
| Parameter | Description |
|---|---|
value | The value you wish to find the ceiling value for: |
Examples
The code below displays ceil() usage.
// Store results in an array.
var ceilValues = new Array(6);
ceilValues[0] = Math.ceil(1.9);
ceilValues[1] = Math.ceil(-10.8);
ceilValues[2] = Math.ceil('100.1');
ceilValues[3] = Math.ceil('five');
ceilValues[4] = Math.ceil();
ceilValues[5] = Math.ceil(null);
alert(ceilValues);
Related Tutorials
JavaScript Advanced Tutorials - Lesson 4 - Math