Created
          July 22, 2019 08:17 
        
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    drag-drop-multiple
  
        
  
    
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  | <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Document</title> | |
| <style> | |
| .card { | |
| background-color: black; | |
| width: 158px; | |
| height: 216px; | |
| } | |
| .ghost { | |
| position: absolute; | |
| } | |
| .hidden-block { | |
| overflow: hidden; | |
| top: 0; | |
| left: 0; | |
| width: 0; | |
| height: 0; | |
| position: absolute; | |
| } | |
| .box-can-drop { | |
| position: absolute; | |
| right: 80px; | |
| top: 8px; | |
| width: 158px; | |
| height: 216px; | |
| border: solid 2px black; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="card" draggable="true">drag-test</div> | |
| <div class="card" id="card2">drag-test</div> | |
| <div class="card" id="card3">drag-test</div> | |
| <div class="box-can-drop"></div> | |
| <div class="hidden-block"> | |
| <div class="ghost"></div> | |
| </div> | |
| </body> | |
| </html> | |
| <script> | |
| let dragged = null | |
| document.querySelector('.card').addEventListener('dragend', function (e) { | |
| e.target.style.opacity = 1 | |
| document.querySelector('#card2').style.opacity = 1 | |
| document.querySelector('#card3').style.opacity = 1 | |
| document.querySelector('.ghost').style.opacity = 0 | |
| document.querySelector('.ghost').innerHTML = '' | |
| }) | |
| document.querySelector('.box-can-drop').addEventListener('dragover', function (ev) { | |
| // ev.dataTransfer.setData('text/plain', ev.target.id) | |
| ev.preventDefault() | |
| }) | |
| document.querySelector('.box-can-drop').addEventListener('drop', function (e) { | |
| e.preventDefault() | |
| dragged.forEach(n => e.target.appendChild(n)) | |
| }) | |
| document.querySelector('.card').addEventListener('dragstart', function (e) { | |
| console.log(e) | |
| dragged = [ | |
| e.target, | |
| document.querySelector('#card2'), | |
| document.querySelector('#card3') | |
| ] | |
| let div = document.querySelector('.ghost') | |
| div.style.top = e.target.offsetX | |
| div.style.left = e.target.offsetY | |
| let crt = this.cloneNode(true) | |
| e.target.style.opacity = 0 | |
| div.appendChild(crt) | |
| div.append(document.querySelector('#card2').cloneNode(true)) | |
| div.append(document.querySelector('#card3').cloneNode(true)) | |
| document.querySelector('#card2').style.opacity = 0 | |
| document.querySelector('#card3').style.opacity = 0 | |
| div.style.opacity = "0.5" | |
| e.dataTransfer.setDragImage(div, e.offsetX, e.offsetY) | |
| console.log(div) | |
| }) | |
| </script> | 
  
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