I need help on this code!

Question

Need to stop the sound when the book page closes.
https://code.sololearn.com/Wu5wp3i8ML3I/?ref=app

Answer 1

Add this snippet in the js tab:

onload = () => {
var audio = $('.song')[0];
addEventListener('transitionend',e => {
e = e.target; var t, f;
t = getComputedStyle(e).transform;
f = e.classList.contains('imgbox');
if (f && t=='none') {
audio.pause();
audio.currentTime = 0;
}
});
};

Answer 2

thanks