Sample extracted from https://docs.mapbox.com/mapbox-gl-js/example/timeline-animation/ and added play functionality for the slider.
It is necessary to have a mapbox access token. For obvious reasons the token is not stored in the repo. The way to add your token is to create a mapbox-token-setup.js file with the following content.
const myToken = 'YOUR_TOKEN'There is nothing to install here. Just open the index.html in your browser.