URL_SEARCH_PARAMS.js

const API_KEY =
  "ce3fd966e7a1d10d65f907b20bf000552158fd3ed1bd614110baa0ac6cb57a7e";


//TODO: refactor to use URLSearchParams
  fetch(
    `https://min-api.cryptocompare.com/data/pricemulti?fsyms=${[
      ...tickersHandlers.keys()
    ].join(",")}&tsyms=USD&api_key=${API_KEY}`
  )


//AFTER REFACTORING
const LOAD_TICKERS_API_ENDPOINT = new URL('https://min-api.cryptocompare.com/data/pricemulti');
LOAD_TICKERS_API_ENDPOINT.searchParams.set('fsyms', [
      ...tickersHandlers.keys()
    ].join(","));

LOAD_TICKERS_API_ENDPOINT.searchParams.set('tsyms', 'USD');
LOAD_TICKERS_API_ENDPOINT.searchParams.set('api_key', API_KEY);

fetch(LOAD_TICKERS_API_ENDPOINT.href)