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JavaScript random() Method

Math Object Reference JavaScript Math Object

Definition and Usage

The random() method returns a random number between 0 and 1.

Syntax

Math.random()


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The random() method is supported in all major browsers.


Example

Example

Random numbers:

<script type="text/javascript">

//return a random number between 0 and 1
document.write(Math.random() + "<br />");

//return a random integer between 0 and 10
document.write(Math.floor(Math.random()*11));

</script>

The output of the code above can be:


Try it yourself »


Math Object Reference JavaScript Math Object
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