Skip to main content
Version: 3.35.1

Math.floor()

The Math.floor() function always rounds down and returns the largest integer less than or equal to a given number.

Syntax​

Math.floor(x)

Parameters​

  • x
    • : A number.

Return value​

The largest integer smaller than or equal to x. It's the same value as -Math.ceil(-x).

Description​

Because floor() is a static method of Math, you always use it as Math.floor(), rather than as a method of a Math object you created (Math is not a constructor).