React Js Drag Drop List Example | Drag Drop Array Element

<!DOCTYPE html>
<html>

<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState } = React
    function App() {
      const [items, setItems] = useState([
        { id: 1, text: 'Item 1' },
        { id: 2, text: 'Item 2' },
        { id: 3, text: 'Item 3' },
        { id: 4, text: 'Item 4' },
        { id: 5, text: 'Item 5' },
        { id: 6, text: 'Item 6' },
      ]);

const handleDragStart = (e, index) => {
        e.dataTransfer.setData('index', index);
      };

const handleDragOver = (e) => {
        e.preventDefault();
      };

const handleDrop = (e, newIndex) => {
        e.preventDefault();

const oldIndex = e.dataTransfer.getData('index');
        const newItems = [...items];
        const [draggedItem] = newItems.splice(oldIndex, 1);
        newItems.splice(newIndex, 0, draggedItem);

setItems(newItems);
      };

return (
        <div className='container'>
          <h2>React Js Drag and Drop List Example</h2>
          <ul>
            {items.map((item, index) => (
              <li
                key={item.id}
                draggable
                onDragStart={(e) => handleDragStart(e, index)}
                onDragOver={handleDragOver}
                onDrop={(e) => handleDrop(e, index)}
              >
                {item.text}
              </li>
            ))}
          </ul>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById("app"));
  </script>
  <style>
    .container {
      text-align: center;
      padding: 20px;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
      margin: 0 auto;
      max-width: 600px;
    }

ul {
      list-style: none;
      padding: 0;
    }

li {
      padding: 10px;
      margin: 5px 0;
      background-color: #fff;
      border: 1px solid #ccc;
      border-radius: 5px;
      cursor: pointer;
      transition: background-color 0.3s, transform 0.3s;
    }

li:hover {
      background-color: #f0f0f0;
    }

li.drag-over {
      border: 2px dashed #999;
    }
  </style>
</body>

</html>