Sleep

Examples:

MCFunction('explosive', () => {
  say('explod in 5')
  for (let i = 4; i != 0; i--) {
    sleep('1s')
    say(i)
  }
  kill('herobrine')
})

MCFunction('explod_me', () => {
  say('explod in 5')
  for (let i = 4; i != 0; i--) {
    sleep('1s')
    say(i)
  }
  kill('@s')
}, {
  asyncContext: true
})