is-undefined.mjs

   1 import Benchmark from 'benny'
   2
   3 Benchmark.suite(
   4   'Is undefined',
   5   Benchmark.add('=== undefined', (value = undefined) => {
   6     return value === undefined
   7   }),
   8   Benchmark.add("typeof === 'undefined'", (value = undefined) => {
   9     return typeof value === 'undefined'
  10   }),
  11   Benchmark.cycle(),
  12   Benchmark.complete(),
  13   Benchmark.save({
  14     file: 'is-undefined',
  15     format: 'json',
  16     details: true
  17   }),
  18   Benchmark.save({
  19     file: 'is-undefined',
  20     format: 'chart.html',
  21     details: true
  22   }),
  23   Benchmark.save({
  24     file: 'is-undefined',
  25     format: 'table.html',
  26     details: true
  27   })
  28 ).catch(err => {
  29   console.error(err)
  30 })