https://medicaldialogues.in/service-worker.js

1const versionMain = '1.0.0.'+new Date().getUTCDate();  const CACHE_NAME = 'medicaldialogues-pwa-v0-'+versionMain;  const CACHE_FILES = ['/','/offline'];  const CACHE_HOSTS = ['medicaldialogues.in','localhost'];    self.addEventListener('install', function(event) {    event.waitUntil(      caches.open(CACHE_NAME).then(function(cache) {        return cache.addAll(CACHE_FILES);      })    );  });        self.addEventListener('activate', function(e) {      e.waitUntil(          Promise.all([              self.clients.claim(),              caches.keys().then(function(cacheNames) {                  return Promise.all(                      cacheNames.map(function(cacheName) {                          if (cacheName !== CACHE_NAME) {                              return caches.delete(cacheName);                          }                      })                  );              })          ])      );  });    self.addEventListener('fetch', (event) => {    if (event.request.mode === 'navigate') {      event.respondWith((async () => {        try {          const preloadResponse = await event.preloadResponse;          if (preloadResponse) {            return preloadResponse;          }            const networkResponse = await fetch(event.request);          return networkResponse;        } catch (error) {          const cache = await caches.open(CACHE_NAME);          const cachedResponse = await cache.match('/offline');          return cachedResponse;        }      })());    }  });        var izCacheVer = "1"; importScripts("https://cdn.izooto.com/scripts/workers/884798989cbe5f3c92bd0352e42a202e0545aee6.js");