HTML DOM Video networkState Property

The HTML DOM Video networkState property returns a number corresponding to the network state of the video.

Syntax

Following is the syntax −

Returning number value

mediaObject.networkState

Here, the return value can be the following −

0 (NETWORK_EMPTY) depicts media has not yet been initialized
1 (NETWORK_IDLE) depicts media is active and has selected a resource, but is not using the network
2 (NETWORK_LOADING) depicts browser is downloading media data
3 (NETWORK_NO_SOURCE) depicts no media source found

Let us see an example of HTML DOM Video networkState property −

Example

<!DOCTYPE html>
<html>
<head>
<title>HTML DOM Video networkState</title>
<style>
   * {
      padding: 2px;
      margin:5px;
   }
   form {
      width:70%;
      margin: 0 auto;
      text-align: center;
   }
   input[type="button"] {
      border-radius: 10px;
   }
</style>
</head>
<body>
   <form>
      <fieldset>
         <legend>HTML-DOM-Video-networkState</legend>
         <video id="demo" width="320" controls><source    src="https://www.tutorialspoint.com/html5/foo.mp4" type="video/mp4"></video><br>
         <input type="button" onclick="setTrackDetails()" value="Set Source">
         <input type="button" onclick="getTrackDetails()" value="Get Network State">
         <div id="divDisplay">
         </div>
      </fieldset>
   </form>
<script>
   var divDisplay = document.getElementById("divDisplay");
   var demo = document.getElementById("demo");
   var srcOfMedia = 'https://www.tutorialspoint.com/html5/foo.mp4';
   function getTrackDetails() {
      divDisplay.textContent = 'Network State: '+demo.networkState;
      }
      function setTrackDetails() {
         demo.src = srcOfMedia;
         demo.load();
      }
</script>
</body>
</html>

Output

Clicking ‘Get Network State’ button with no source defined −

HTML DOM Video networkState Property

Clicking ‘Get Network State’ button with source defined but browser downloading data −

HTML DOM Video networkState Property