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

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Description

Returns the largest integer less than or equal to a number.

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

Syntax

Parameters

Examples

The code below displays floor() usage.

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

floorValues[0] = Math.floor(1.9);
floorValues[1] = Math.floor(-10.8);
floorValues[2] = Math.floor('100.1');
floorValues[3] = Math.floor('five');
floorValues[4] = Math.floor();
floorValues[5] = Math.floor(null);

alert(floorValues);  

Related Tutorials

JavaScript Advanced Tutorials - Lesson 4 - Math

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• log()     >>