The seekable read-only property of the HTMLMediaElement returns a TimeRanges object that contains the time ranges that the user is able to seek to, if any.


var seekable = audioOrVideo.seekable;


A TimeRanges object.


var video = document.querySelector("video");
var timeRangesObject = video.seekable;
var timeRanges = [];
//Go through the object and output an array
for (let count = 0; count < timeRangesObject.length; count ++) {
    timeRanges.push([timeRangesObject.start(count), timeRangesObject.end(count)]);


Specification Status Comment
HTML Living Standard
The definition of 'HTMLMediaElement' in that specification.
Living Standard No change from HTML5
The definition of 'HTMLMediaElement' in that specification.
Recommendation Initial definition.
Media Source Extensions
The definition of 'HTMLMediaElement extensions, like for seekable' in that specification.
Recommendation Specifies a new algorithm for returning the seekable time range of a media element whose source is a MediaSource object.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
seekableChrome Full support 43Edge Full support 12Firefox Full support 8IE Full support 9Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support 8Opera Android ? Safari iOS ? Samsung Internet Android Full support Yes


Full support  
Full support
Compatibility unknown  
Compatibility unknown

See also