Problem with edge:"rising"

> require("Encoder").connect(A1,A5,function (direction) {
  step += direction;
  if (step >=4)
  {
    pos += 1;
    if (pos>96) {
      pos=96;
    }
    step=0;
    print_pos();
  }
  if (step <=-4)
  {
    pos += -1;
    if (pos<20) {
      pos=20;
    }
    step=0;
    print_pos();
  }
  });

this is my workaround for getting one count per click (probably there is a more elegant way - I am new to javascript..)
the encoders I have are the cheapest kind, but used in this way it does not seem to be any difference if I have RC filters to handle debounce or not. good to know that debouncing will be introduced in the code later on.