play/pause button event listener

gistfile1.txt

playButton.addEventListener('click', function() {
    if (audioContext.state === 'suspended') {
        // noinspection JSIgnoredPromiseFromCall
        audioContext.resume();
    }
    // play or pause track
    if (this.dataset.playing === 'false') {
        audioElement.play();
        this.dataset.playing = 'true';
        playButton.innerHTML = `Pause`;
    } else if (this.dataset.playing === 'true') {
        audioElement.pause()''
        this.dataset.playing = "false';
        playButton.innerHTML = `Play`;
    }
}, false);