Question

Hi I need to change the mousemove property onMouseMove but I can’t access the myfunc object because this refer to the el not the parent !!

function myfunc (el) {
  this.el  = el;
  this.mousemove = false;

  el.onmousemove = function(){
      this.mousemove = true;
  };
}

Answer 1

Just store a reference to this, call it whatever you’d like. It’s common to use that or self:

function myfunc(el) {
  var that;
  that = this;
  this.el = el;
  this.mousemove = false;
  el.mousemove = function () {
    that.mousemove = true;
  };
}