determin_ascii.js

determin_ascii.js

/*
js logic x 8,931,284 ops/sec ±0.48% (90 runs sampled)
re x 9,434,634 ops/sec ±0.66% (92 runs sampled)
Fastest is re
*/
const Benchmark = require('benchmark')
var suite = new Benchmark.Suite;

const str = 'aldfkjlakdsjflajkdsflakjdfjzakljerowiuetoywoihgkhgkzjcvlzcnvkjsdfbalhdfl'
const start = 65;
const end = 122

// add tests
suite.add('js logic', function() {
  for (let i = 0; i < str.length; i++) {
    const charCode = str.charCodeAt(i)
    charCode >= 65 && charCode <= 122;
  }
})
.add('re', function() {
  /^[a-zA-Z]+$/.test(str)
})
// add listeners
.on('cycle', function(event) {
  console.log(String(event.target));
})
.on('complete', function() {
  console.log('Fastest is ' + this.filter('fastest').map('name'));
})
// run async
.run({ 'async': true });