using async await with array.reduce
const fetchJobs = async () => {
  const locations = [ 'toronto', 'vancouver', 'boston' ];
  return await locations.reduce(async (jobsAccumulator, location) => {
    const jobPostingsCall = await fetch(`https://jobs.github.com/positions.json?description=javascript&location=${location}` );
    const jobPostings = await jobPostingsCall.json();
    jobsAccumulator.push({
      location,
      jobPostings,
    });
    return jobsAccumulator;
  }, []);
}
 COPY SNIPPET
