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Which event occurs in JavaScript when the dragging of an element begins?

The ondragstart event triggers when dragging of an element begins.You can try to run the following code to learn how to implement ondragstart JavaScript event −

Example

Live Demo 
<!DOCTYPE HTML>
<html>
   <head>
      <style>
         .drag {
            float: left;
            width: 100px;
            height: 35px;
            border: 2px dashed #876587;
            margin: 15px;
            padding: 10px;
         }
      </style>
   </head>
   
   <body>
      <div class = "drag" ondrop = "drop(event)" ondragover = "dropNow(event)">
         <p ondragstart = "dragStart(event)" ondragend = "dragEnd(event)" draggable = "true" id = "dragtarget">Drag!</p>
      </div>

      <div class = "drag" ondrop = "drop(event)" ondragover = "dropNow(event)"></div>

      <div id = "box"></div>
      <p>Drag the left box to the right or drag the right box to the left.</p>
      <script>
         function dragStart(event) {
            event.dataTransfer.setData("Text", event.target.id);
         }
         function dropNow(event) {
            event.preventDefault();
         }
         function dragEnd(event) {
            document.getElementById("box").innerHTML = "Dragging ends!";
         }
         function drop(event) {
            event.preventDefault();
            var data = event.dataTransfer.getData("Text");
            event.target.appendChild(document.getElementById(data));
            document.getElementById("box").innerHTML = "The element dropped successfully!";
         }
      </script>
   </body>
   
</html>
Updated on 30-Jul-2019 22:30:21

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