hoai97nam/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
<title>Drag and Drop Example</title>
<style>
  #dragableElement {
    width: 100px;
    height: 50px;
    background-color: lightblue;
    border: 1px solid blue;
    padding: 10px;
    cursor: move;
  }

  #dropableArea {
    width: 200px;
    height: 100px;
    background-color: lightgreen;
    border: 1px dashed green;
    margin-top: 20px;
    padding: 10px;
  }
</style>
</head>
<body>

  <div id="dragableElement" draggable="true">Drag me</div>
  <div id="dropableArea" class="test">Drop here
    <div>
      blank
    </div>
  </div>

  <script>
    function handleDragAndDrop() {
      // Get the elements
      var dragElement = document.getElementById('dragableElement');
      var dropElement = document.getElementById('dropableArea');

      // Add event to the draggable element
      dragElement.addEventListener('dragstart', (event) => {
        event.dataTransfer.setData('text/plain', event.target.id);
      });

      // Handle drop event on the droppable element
      dropElement.addEventListener('drop', (event) => {
        event.preventDefault();
        // Retrieve data from drag
        const dataTransfer = event.dataTransfer.getData('text/plain');
        // Find element based on data transfer
        const dragableEle = document.getElementById(dataTransfer);
        const newDragElement = dragableEle.cloneNode(true);
        // Append data to the dropElement (not event.target)
        dropElement.appendChild(newDragElement);
      });

      // Prevent default for dragover to allow drop
      dropElement.addEventListener('dragover', (event) => {
        event.preventDefault();
      });
    }

    // Attach the event handlers when the page loads
    window.onload = handleDragAndDrop;
  </script>

</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Drag and Drop Example</title>
	<style>
	#dragableElement {
	width: 100px;
	height: 50px;
	background-color: lightblue;
	border: 1px solid blue;
	padding: 10px;
	cursor: move;
	}

	#dropableArea {
	width: 200px;
	height: 100px;
	background-color: lightgreen;
	border: 1px dashed green;
	margin-top: 20px;
	padding: 10px;
	}
	</style>
	</head>
	<body>

	<div id="dragableElement" draggable="true">Drag me</div>
	<div id="dropableArea" class="test">Drop here
	<div>
	blank
	</div>
	</div>

	<script>
	function handleDragAndDrop() {
	// Get the elements
	var dragElement = document.getElementById('dragableElement');
	var dropElement = document.getElementById('dropableArea');

	// Add event to the draggable element
	dragElement.addEventListener('dragstart', (event) => {
	event.dataTransfer.setData('text/plain', event.target.id);
	});

	// Handle drop event on the droppable element
	dropElement.addEventListener('drop', (event) => {
	event.preventDefault();
	// Retrieve data from drag
	const dataTransfer = event.dataTransfer.getData('text/plain');
	// Find element based on data transfer
	const dragableEle = document.getElementById(dataTransfer);
	const newDragElement = dragableEle.cloneNode(true);
	// Append data to the dropElement (not event.target)
	dropElement.appendChild(newDragElement);
	});

	// Prevent default for dragover to allow drop
	dropElement.addEventListener('dragover', (event) => {
	event.preventDefault();
	});
	}

	// Attach the event handlers when the page loads
	window.onload = handleDragAndDrop;
	</script>

	</body>
	</html>