location-property-perf.js

(function() {
  'use strict'
  let s

  console.time('t0')
  for (let i = 0; i < 1e7; i++) {
  }
  console.timeEnd('t0')

  console.time('t1')
  for (let i = 0; i < 1e7; i++) {
    s = location.origin
  }
  console.timeEnd('t1')

  const MY_ORIGIN = location.origin

  console.time('t2')
  for (let i = 0; i < 1e7; i++) {
    s = MY_ORIGIN
  }
  console.timeEnd('t2')
})()