SOURCE

function isPrime(number) {
  if(number < 2) {
    return false
  }
  
  for(let i = 2; i < number; i++) {
    if(number % i === 0) {
      return false
    }
  }
  return true
}

isPrime = new Proxy(isPrime, {
  apply: (target, thisArg, args) => {
    console.log("isPrime timeSTART")
    console.time("isPrime timeSTART")
    
    const result = target.apply(thisArg, args)  
    
    console.log("isPrime timeEnd")
    console.timeEnd("isPrime timeSTART")
    return result
  }
})
isPrime(222)
// console.log(isPrime(222))