[node.js] Test hash count per time

index.js

const crypto = require('crypto')

const algor = 'sha256' // sha1, sha256
const diffTime = 10    // sec

const test = (nonce) => {
  const data = `${Date.now()}${nonce}`
  const hash = crypto.createHash(algor).update(data).digest('hex')
//  console.log(hash)
}

const startTime = Date.now()
const endTime = startTime + diffTime * 1000

let i = 0
while (Date.now() < endTime) {
  test(i++ % 10)
}

console.log(`Hash ${algor} ${i} time in ${diffTime} sec.`)
console.log(`Speed ${i/diffTime} time/sec.`)