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
HTML Standard (HTML) # dom-media-networkstate-dev

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`networkState`	43	12	3.5 The `NETWORK_LOADED` state was removed to align with the HTML spec in Firefox 4.	9	≤12.1	3.1	Yes	Yes	4	≤12.1	2	Yes