Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
Chrome 79
Mac OS X 10.12.6
Desktop
5 years ago
Test name Executions per second
array reverse 83391.8 Ops/sec
typedArray reverse 256642.0 Ops/sec
array i/o 650.5 Ops/sec
typedArray i/o 639.2 Ops/sec
Script Preparation code:
AخA
 
function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}
var a = [...Array(10000)].map(_ => Math.random(1000000));
var ta = (new Int32Array(10000)).map(_ => Math.random(1000000));
Tests:
  • array reverse

     
    a.reverse();
  • typedArray reverse

     
    ta.reverse();
  • array i/o

     
    for (let i = 0; i < 10000; ++i)
      a[i] = a[i] + 1;
  • typedArray i/o

     
    for (let i = 0; i < 10000; ++i)
      ta[i] = ta[i] + 1;