profileSTandRAF.js

window.profileSTandRAF = () => {
  let end = false
  let setTimeoutCount = 0
  let requestAnimationFrameCount = 0
  setTimeout(() => { end = true }, 2000)

  const setTimeoutLoop = () => {
    setTimeoutCount = setTimeoutCount + 1

    if (!end) {
      console.log('setTimeout count', setTimeoutCount)
      setTimeout(setTimeoutLoop)
    } else {
      console.log('setTimeout total', setTimeoutCount)
    }
  }

  const requestAnimationFrameLoop = () => {
    requestAnimationFrameCount = requestAnimationFrameCount + 1

    if (!end) {
      console.log('requestAnimationFrame count', requestAnimationFrameCount)
      requestAnimationFrame(requestAnimationFrameLoop)
    } else {
      console.log('requestAnimationFrame total', requestAnimationFrameCount)
    }
  }

  setTimeout(() => {
    setTimeoutLoop()
    requestAnimationFrameLoop()
  }, 1000)
}