random()  Math  class method JS Home  <<  JS Reference  <<  Math  <<  random()

Description

Returns a floating point random number between 0 (inclusive) and 1 (exclusive).

  • Like all class methods random() should be used on the class rather than an instance of the class.

Syntax

Signature Description
Math.random()Returns a floating point random number between 0 (inclusive) and 1 (exclusive).

Parameters

None.

Examples

The code below displays random() usage.


// Store results in an array.
var randomValues = new Array(6);

randomValues[0] = Math.random();
randomValues[1] = Math.random();
randomValues[2] = Math.random();
randomValues[3] = Math.random();
randomValues[4] = Math.random();
randomValues[5] = Math.random();

alert(randomValues);  

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Related Tutorials

JavaScript Advanced Tutorials - Lesson 4 - Math