Javascript DOM ondrag Event via HTML Tag ondrag attribute

Introduction

This example demonstrates how to assign an "ondragstart" and "ondrag" event to a p element and an "ondragover" and "ondrop" event to a div element.

Drag the p element back and forth between the two rectangles:

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<!DOCTYPE HTML>
<html>
<head>
<style>
.droptarget {//from   w  w w .j  a  v  a2s.  co  m
  float: left;
  width: 100px;
  height: 35px;
  margin: 15px;
  padding: 10px;
  border: 1px solid #aaaaaa;
}
</style>
</head>
<body>
<div class="droptarget" ondrop="drop(event)" ondragover="allowDrop(event)">
  <p ondragstart="dragStart(event)" 
     ondrag="dragging(event)" 
     draggable="true" 
     id="dragtarget">Drag me!</p>
</div>
<div class="droptarget" 
     ondrop="drop(event)" 
     ondragover="allowDrop(event)"></div>
<p id="demo"></p>
<script>
/* Events fired on the drag target */
function dragStart(event) {
  event.dataTransfer.setData("Text", event.target.id);
}

function dragging(event) {
  document.getElementById("demo").innerHTML = "The p element is being dragged";
}


/* Events fired on the drop target */
function allowDrop(event) {
  event.preventDefault();
}

function drop(event) {
  event.preventDefault();
  var data = event.dataTransfer.getData("Text");
  event.target.appendChild(document.getElementById(data));
  document.getElementById("demo").innerHTML = "The p element was dropped";
}
</script>

</body>
</html>
Bubbles: Yes
Cancelable: Yes
Event type: DragEvent
Supported HTML tags: All HTML elements



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