ActionScript: The Definitive Guide

Name

Math.floor( ) Method — round a number to down to the previous integer

Availability

Flash 5; may be used when exporting Flash 4 movies

Synopsis

Math.floor(x)

Arguments

x

A number.

Returns

The closest integer less than or equal to x.

Description

The floor method converts a floating-point number to the first integer less than or equal to x.

Example

Math.floor(1.99999);  // Returns 1
Math.floor(5.5);      // Returns 5
Math.floor(-5.5);     // Returns -6

function minutesToHHMM (minutes) {
  var hours = Math.floor(minutes/60);
  minutes -= hours * 60;
  minutes = minutes < 10 ? "0" + minutes : minutes;
  return hours + ":" + minutes;
}

See Also

Math.ceil( ), Math.round( )