adobe animate drag and drop simple code

You can benefit from here

https://github.com/joao-cesar/adobe/tree/master/animate%20cc/html5_canvas/drag_and_drop_game

https://github.com/joao-cesar/adobe/tree/master/animate%20cc/as3

var puzzlepieces = [this.p1, this.p2,...];
var dropspots = [this.s1, this.s2,...];
var startA = [];
var startDrag = startDragF.bind(this);

for(var i=0;i<puzzlepieces.length;i++){
startA[i] = [puzzlepieces[i].x, puzzlepieces[i].y];
puzzlepieces[i].addEventListener("pressmove", startDrag);
puzzlepieces[i].addEventListener("pressup", stopDragF.bind(this));
}

function startDragF(e){
var p = stage.globalToLocal(e.stageX, e.stageY);
e.currentTarget.x = p.x;
e.currentTarget.y = p.y;
}
function stopDragF(e){
var i = puzzlepieces.indexOf(e.currentTarget);
var pt = e.currentTarget.localToLocal(0, 0, dropspots[i]);
if (dropspots[i].hitTest(pt.x, pt.y)) {
e.currentTarget.x = dropspots[i].x;
e.currentTarget.y = dropspots[i].y;
e.currentTarget.removeEventListener("pressmove", startDrag);
} else {
e.currentTarget.x = startA[i][0];
e.currentTarget.y = startA[i][1];
}
}