# Math.floor()

#### Availability

Flash Player 5. In Flash Player 4, the methods and properties of the Math object are emulated using approximations and may not be as accurate as the non-emulated math functions supported by Flash Player 5.

#### Usage

    Math.floor(x)

#### Parameters

`x` A number or expression.

#### Returns

A number.

#### Description

Method; returns the floor of the number or expression specified in the parameter `x`. The floor is the closest integer that is less than or equal to the specified number or expression.

#### Example

The following code returns a value of 12:

    Math.floor(12.5);