iFractions-utilitarios/Carregando midia para cache/carregandoAudio.js

// Carregando audios - fetch api e HTMLAudioElement

let audios = []
let audiosUrl = [
  "audio/beep.mp3"
];

function loadAudios() {
  var init = {
    mode: "same-origin", // por padrão é "cors"
  };
  audiosUrl.forEach((url) => {
    fetch(url, init)
      .then(response => response.blob())
      .then(function (myBlob) {
        audios.push(new Audio(URL.createObjectURL(myBlob))); //HTMLAudioElement
      })
  });
}

function playAudio() {
  audios[0].play();
}