ireade

$(document).ready(function(){

  // required vars    
    var accessToken = window.location.hash.split("=")[1];
    var userID = accessToken.split(".")[0];

  // step 1: get users followed
    getFollowedUsers(userID, accessToken, function(followed_users){

      // step 2a: check for non-mutual follows

ireade

// Check if current browser is Opera
var isOpera = window.opera | window.opr | ( navigator.userAgent.indexOf(' OPR/') > -1 ) | ( navigator.userAgent.indexOf(' Coast/') > -1 ) | ( navigator.userAgent.indexOf(' OPiOS/') > -1 );

// Check if the Opera browser is Opera Mini or Opera Mobile in regular mode (called High Savings Mode)
var isOperaHigh = (navigator.userAgent.indexOf('OPR/') > -1) && (navigator.userAgent.indexOf('Mobile') > -1) && (navigator.userAgent.indexOf('Presto/') < 0);

// Check if the Opera browser is Opera Mini in Extreme Savings Mode
var isOperaExtreme = (navigator.userAgent.indexOf('Opera Mini/') > -1) && (navigator.userAgent.indexOf('Presto/') > -1);

ireade

self.addEventListener('install', (e) => {
    e.waitUntil(
        caches.open("precache").then((cache) => cache.add("/broken.png"))
    );
});

function isImage(fetchRequest) {
    return fetchRequest.method === "GET" && fetchRequest.destination === "image";
}