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JavaScript floor() Method
Example
Round a number downward to its nearest integer:
Math.floor(1.6);
The output of the code above will be:
1
Try it yourself »
Definition and Usage
The floor() method rounds a number DOWNWARDS to the nearest integer, and returns the result.
If the passed argument is an integer, the value will not be rounded.
Browser Support
The floor() method is supported in all major browsers.
Syntax
Math.floor(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. The number you want to round |
Return Value
| Type | Description |
|---|---|
| Number | The nearest integer when rounding downwards |
Technical Details
| JavaScript Version: | 1.0 |
|---|
More Examples
Example
Use the floor() method on different numbers:
var a=Math.floor(0.60);
var b=Math.floor(0.40);
var c=Math.floor(5);
var d=Math.floor(5.1);
var e=Math.floor(-5.1);
var f=Math.floor(-5.9);
var b=Math.floor(0.40);
var c=Math.floor(5);
var d=Math.floor(5.1);
var e=Math.floor(-5.1);
var f=Math.floor(-5.9);
The result of a,b,c,d,e, and f will be:
0
0
5
5
-6
-6
0
5
5
-6
-6
Try it yourself »
JavaScript Math Object
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