Javascript DOM ondragstart Event via HTML Tag ondragstart attribute

Introduction

This example demonstrates how to assign an "ondragstart" and "ondragend" 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 {/* ww  w .j a v a 2  s  .  c  om*/
  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)" ondragend="dragEnd(event)" draggable="true" id="dragtarget">Drag me!</p>
</div>

<div class="droptarget" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<p id="demo"></p>

<script>
function dragStart(event) {
  event.dataTransfer.setData("Text", event.target.id);
  document.getElementById("demo").innerHTML = "Started to drag the p element";
}

function dragEnd(event) {
  document.getElementById("demo").innerHTML = "Finished dragging the p element.";
}
function allowDrop(event) {
  event.preventDefault();
}

function drop(event) {
  event.preventDefault();
  var data = event.dataTransfer.getData("Text");
  event.target.appendChild(document.getElementById(data));
}
</script>

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



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