gistfile1.txt

<script>
  // First log 'start'
  // Then log "starting alpha"
  // Then, 2 seconds later, log alpha
  // Then, log "starting "beta"
  // Then, 4 seconds later, log beta
  // Then, log "starting gamma"
  // Then, 1 second later log gamma
  // Then, log "starting delta"
  // Then, 3 seconds later log delta
  console.log('start')

  console.log('starting alpha')
  setTimeout(() => {
    console.log('alpha')

    console.log('starting beta')

    setTimeout(() => {
      console.log('beta')

      console.log('starting gamma')

      setTimeout(() =>{
        console.log('gamma')

        console.log('starting delta')

        setTimeout(() => {
          console.log('delta')
        }, 3000)
      }, 1000)
    }, 4000);
  }, 2000)

</script>