code: function(value) {
                  if (typeof value === "undefined") return FPS;
                  else {
                      FPS = value;
                      milliSecPerFrame = 1000 / FPS;
                      Crafty.trigger("FPSChange", value);
                  }
              }
docs: @
  #Crafty.timer.FPS
  @comp Crafty.timer
  @kind Method
  
  @sign public void Crafty.timer.FPS()
  Returns the target frames per second. This is not an actual frame rate.
  @sign public void Crafty.timer.FPS(Number value)
  @param value - the target rate
  @trigger FPSChange - Triggered when the target FPS is changed by user - Number - new target FPS
  
  Sets the target frames per second. This is not an actual frame rate.
  The default rate is 50.
  
  @see Crafty.timer.steptype