相关疑难解决方法(0)

我想将Web通知添加到我的网站.我在Google上搜索并找到了一些关于它的教程.如这些教程中所述,我设法向访问者显示订阅框,我也可以存储他们的数据.

Main.js

'use strict';

const applicationServerPublicKey = 'BBw_opB12mBhg66Dc94m7pOlTTHb5oqFAafbhN-BNeazWk8woAcSeHdgbmQaroCYssUkqFfoHqEJyCKw';

const pushButton = document.querySelector('.js-push-btn');

let isSubscribed = false;
let swRegistration = null;

function urlB64ToUint8Array(base64String) {
  const padding = '='.repeat((4 - base64String.length % 4) % 4);
  const base64 = (base64String + padding)
    .replace(/\-/g, '+')
    .replace(/_/g, '/');

  const rawData = window.atob(base64);
  const outputArray = new Uint8Array(rawData.length);

  for (let i = 0; i < rawData.length; ++i) {
    outputArray[i] = rawData.charCodeAt(i);
  }
  return outputArray;
}



if ('serviceWorker' in navigator && 'PushManager' in window) {
  console.log('Service Worker …