ImageTrack: frameCount property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Note: This feature is available in Dedicated Web Workers.

The frameCount property of the ImageTrack interface returns the number of frames in the track.

An integer.

The following example prints the value of frameCount to the console.

let track = imageDecoder.tracks.selectedTrack;
console.log(track.frameCount);

Specification
WebCodecs # dom-imagetrack-framecount

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