Auto play next sound cloud widget

sc_auto_play_next.js

(function(SC){
    const scIframes = [...document.querySelectorAll('iframe[src*="soundcloud.com/player"]')],
        soundFinished = function(sc){
            const index = scIframes.findIndex((item) => item === this);

            if(index < scIframes.length) scWidgets[index + 1].play();
        };

    let scWidgets = scIframes.map((item) => {
        const widget = SC.Widget(item);
        widget.bind(SC.Widget.Events.FINISH, soundFinished.bind(item));
        return widget;
    });
})(SC);

Page requires SoundCloud API script - https://w.soundcloud.com/player/api.js