HTMLMediaElement.networkState

The HTMLMediaElement.networkState property indicates the current state of the fetching of media over the network.

Syntax

var networkState = audioOrVideo.networkState;

Value

An unsigned short. Possible values are:

Constant Value Description
NETWORK_EMPTY 0 There is no data yet. Also, readyState is HAVE_NOTHING.
NETWORK_IDLE 1 HTMLMediaElement is active and has selected a resource, but is not using the network.
NETWORK_LOADING 2 The browser is downloading HTMLMediaElement data.
NETWORK_NO_SOURCE 3 No HTMLMediaElement src found.

Examples

This example will listen for the audio element to begin playing and then check if it is still loading data.

<audio id="example" preload="auto">
 <source src="sound.ogg" type="audio/ogg" />
</audio>

var obj = document.getElementById('example');

obj.addEventListener('playing', function() {

  if (obj.networkState === 2) {
    // Still loading...
  }

});

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'HTMLMediaElement.networkState' in that specification.
Living Standard
HTML5
The definition of 'HTMLMediaElement.networkState' in that specification.
Recommendation

Browser compatibility

BCD tables only load in the browser

See also