function offset2() {
      return {
        x: this.offset.x + this.nodeInnerEl.offsetWidth,
        y: this.offset.y + this.nodeInnerEl.offsetHeight
      };
    }
function offset2() {
      return {
        x: this.offset.x + this.nodeInnerEl.offsetWidth,
        y: this.offset.y + this.nodeInnerEl.offsetHeight
      };
    }
function offset2 ( ) { return { x : this . offset . x + this . nodeInnerEl . offsetWidth , y : this . offset . y + this . nodeInnerEl . offsetHeight } ; }
left top point
left top point