Why doesn't audio work in the browser extension?

Question

JavaScript

There is a line (browser extension code) alert.mp3 is located in the folder where and the file with the code when I load the site gives an error GET https://site.com/alert.mp3 404 How to fix it (why alert.mp3 turns into a link )
const audio = new Audio('alert.mp3')

Answer 1

try like this

const audio = new Audio(chrome.runtime.getURL('alert.mp3'))