Untitled

<!DOCTYPE html>
<html>

<head>
  <link rel="stylesheet" href="style.css">
  <script src="https://rawgit.com/taye/interact.js/v1.2.4/interact.js"></script>
  <script src="drag-drop.js"></script>
</head>

<body>

  <div id="drag-1" class="draggable">
    <p> You can drag one element </p>
  </div>
  <div id="drag-2" class="draggable">
    <p> with each pointer </p>
  </div>


</body>

</html>

// target elements with the "draggable" class
interact('.draggable')
  .draggable({
    // enable inertial throwing
    inertia: true,
    // keep the element within the area of it's parent
    restrict: {
      restriction: "parent",
      endOnly: true,
      elementRect: { top: 0, left: 0, bottom: 1, right: 1 }
    },

    // call this function on every dragmove event
    onmove: dragMoveListener,
    // call this function on every dragend event
    onend: function (event) {
      var textEl = event.target.querySelector('p');

      textEl && (textEl.textContent =
        'moved a distance of '
        + (Math.sqrt(event.dx * event.dx +
                     event.dy * event.dy)|0) + 'px');
    }
  });

  function dragMoveListener (event) {
    var target = event.target,
        // keep the dragged position in the data-x/data-y attributes
        x = (parseFloat(target.getAttribute('data-x')) || 0) + event.dx,
        y = (parseFloat(target.getAttribute('data-y')) || 0) + event.dy;

    // translate the element
    target.style.webkitTransform =
    target.style.transform =
      'translate(' + x + 'px, ' + y + 'px)';

    // update the posiion attributes
    target.setAttribute('data-x', x);
    target.setAttribute('data-y', y);
  }

  // this is used later in the resizing demo
  window.dragMoveListener = dragMoveListener;

#drag-1, #drag-2 {
  width: 25%;
  height: 100%;
  min-height: 6.5em;
  margin: 10%;

  background-color: #29e;
  color: white;

  border-radius: 0.75em;
  padding: 4%;

  -webkit-transform: translate(0px, 0px);
          transform: translate(0px, 0px);
}

#drag-me::before {
  content: "#" attr(id);
  font-weight: bold;
}