Jamming -src/util/Spotify.js Line 20:37: 'accessToken' is not defined no-undef

const redirectUrl=‘http://localhost:3000/’;

let acessToken;

const Spotify = {
if (acessToken){
return acessToken;
//check for access token match
const accessTokenMatch = window.location.href.match(/access_token=([^&])/);
const expiresInMatch = window.location.href.match(/expires_in=([^&]

    if(accessTokenMatch && expiresInMatch){
        acessToken = accessTokenMatch[1];
        const expiresIn = Number(expiresInMatch[1]);
        //this clears the parameters, allowing us to grab a new access token when it expires
        window.setTimeout(() => accessToken = ' ', expiresIn * 1000);
        window.history.pushState(`Access Token`, null, `/`);
        return acessToken;
    } else {
        const accessUrl = `https://accounts.spotify.com/authorize?client_id=${clientId}&response_type=token&scope=playlist-modify-public&redirect_uri=${redirectUrl}`;{}
        window.location = accessUrl;

    const accessToken = Spotify.getAcessToken();
    return fetch(`https://api.spotify.com/v1/search?type=track&q=${term}`,{
        headers: {
            Authorization: `Bearer ${acessToken}`
    }).then(response =>{ return response.json();
}).then(jsonResponse => {
        if (!jsonResponse.tracks) {
            return [];
        return  jsonResponse.tracks.items.map(track => ({                                 
                    id: track.id,
                    name: track.name,
                    artist: track.artists[0].name,
                    album: track.album,
                    uri: track.uri

From de course web Application engineer
Hi There, I am having trouble to understand what I am doing wrong here, following the step by step video, and yet stuck with this error, that I am not able to understand it!

Hi can anyone tell me why we use index of [1] with the .match method to find the access token and expiry and not [0]?