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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

              
                <div class="container">
  <div class="row">
    <div class="col-6">
      <div class="wrapper dropzone">
        <span id="show"></span>
      </div>
    </div>
    <div class="col-6">
      <img class="drag" src="https://pokemon.wingzero.tw/assets/pokemon/386.png" data-id="386" alt="">
      <img class="drag" src="https://pokemon.wingzero.tw/assets/pokemon/400.png" data-id="400" alt="">
      <img class="drag" src="https://pokemon.wingzero.tw/assets/pokemon/807.png" data-id="807" alt="">
    </div>
  </div>
</div>

              
            
!

CSS

              
                .wrapper{
  height:300px;
  background:pink;
}
.col-6 img{
  width:140px;
}
              
            
!

JS

              
                var pokemons = [];
interact('.dropzone').dropzone({
  // only accept elements matching this CSS selector
  accept: '.drag',
  // Require a 75% element overlap for a drop to be possible
  overlap: 0.75,

  // listen for drop related events:

  ondropactivate: function (event) {
    // add active dropzone feedback
    event.target.classList.add('drop-active');
    
    
  },
  ondragenter: function (event) {
    
    
  },
  ondragleave: function (event) {
    // remove the drop feedback style
    var draggableID = event.relatedTarget.dataset.id;
    // $("#show").text("drop");
    // console.log("leave: "+draggableID)
    var index = pokemons.indexOf(draggableID);
if (index > -1) {
  pokemons.splice(index, 1);
}
    console.log(pokemons)
    $("#show").text(pokemons.toString());
  },
  ondrop: function (event) {
    var draggableID = event.relatedTarget.dataset.id;
    // $("#show").text("drop");
    if(!pokemons.includes(draggableID)){
       pokemons.push(draggableID);
       }
    
    $("#show").text(pokemons.toString());
    
  },
  ondropdeactivate: function (event) {
    // remove active dropzone feedback
   
  }
});

interact('.drag')
  .draggable({
    // enable inertial throwing
    inertia: true,
    // enable autoScroll
    autoScroll: true,

    // 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(Math.pow(event.pageX - event.x0, 2) +
                     Math.pow(event.pageY - event.y0, 2) | 0))
            .toFixed(2) + '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 and gesture demos
  window.dragMoveListener = dragMoveListener;
              
            
!
999px

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