Example
Return a random number between 0 (inclusive) and 1 (exclusive):
Math.random();
The result could be:
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The random() method returns a random number from 0 (inclusive) up to but not including 1 (exclusive).
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| random() | Yes | Yes | Yes | Yes | Yes |
Syntax
Math.random()
Parameters
| None |
Technical Details
| Return Value: | A Number, representing a number from 0 up to but not including 1 |
|---|---|
| JavaScript Version: | 1.0 |
More Examples
Example
Return a random number between 1 and 10:
Math.floor((Math.random() * 10) + 1);
The result could be:
Try it Yourself »
Example
Return a random number between 1 and 100:
Math.floor((Math.random() * 100) + 1);
The result could be:
Try it Yourself »
< JavaScript Math Object