Please note, this is a STATIC archive of website developer.mozilla.org from 03 Nov 2016, cach3.com does not collect or store any user information, there is no "phishing" involved.

GlobalEventHandlers.ondragstart

This article needs a technical review. How you can help.

Our volunteers haven't translated this article into বাংলা (বাংলাদেশ) yet. Join us and help get the job done!

A global event handler for the dragstart event.

Syntax

var dragstartHandler = targetElement.ondragstart;

Return value

dragstartHandler
The dragstart event handler for element targetElement.

Example

This example demonstrates using the ondragstart attribute handler to set an element's dragstart event handler.

<!DOCTYPE html>
<html lang=en>
<title>Examples of using the ondrag Global Event Attribute</title>
<meta content="width=device-width">
<style>
  div {
    margin: 0em;
    padding: 2em;
  }
  #source {
    color: blue;
    border: 1px solid black;
  }
  #target {
    border: 1px solid black;
  }
</style>
</head>
<script>
function drag_handler(ev) {
 console.log("Drag");
}

function dragstart_handler(ev) {
 console.log("dragStart");
 ev.dataTransfer.setData("text", ev.target.id);
}

function drop_handler(ev) {
 console.log("Drop");
 ev.currentTarget.style.background = "lightyellow";

 ev.preventDefault();
 var data = ev.dataTransfer.getData("text");
 ev.target.appendChild(document.getElementById(data));
}

function dragover_handler(ev) {
 console.log("dragOver");
 ev.preventDefault();
}
</script>
<body>
<h1>Examples of <code>ondrag</code>, <code>ondrop</code>, <code>ondragstart</code>, <code>ondragover</code></h1>
 <div>
   <p id="source" ondrag="drag_handler(event);" ondragstart="dragstart_handler(event);" draggable="true">
     Select this element, drag it to the Drop Zone and then release the selection to move the element.</p>
 </div>
 <div id="target" ondrop="drop_handler(event);" ondragover="dragover_handler(event);">Drop Zone</div>
</body>
</html>

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of 'ondragstart' in that specification.
Living Standard  
HTML5.1
The definition of 'ondragstart' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 4 3.5 (1.9.1) 10 12 3.1
Feature Android Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support No support No support No support No support No support 10 No support No support

See also

ডকুমেন্ট ট্যাগ এবং অবদানকারী

ট্যাগ: 
 Contributors to this page: rolfedh, Sebastianz, AFBarstow
 সর্বশেষ হালনাগাদ করেছেন: rolfedh,