MeasureThat.net

Run results for: localStorage vs sessionStorage vs Reading a Hardcoded Array Speedtest

Go to the benchmark
Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/107.0.5304.66 Mobile/15E148 Safari/604.1
Chrome Mobile iOS 107
iOS 16.0
Mobile
2 years ago
Test name Executions per second
Control 486652256.0 Ops/sec
localStorage 7456735.0 Ops/sec
sessionStorage 7410689.5 Ops/sec
Read Array 5402530.5 Ops/sec
Script Preparation code:
AخA
 
localStorage.setItem('foo', 'bar')
sessionStorage.setItem('foo', 'bar')
var ARR = ['bar'];
Tests:

  • Control

     
    var FOO = 'bar';

  • localStorage

     
    var FOO = localStorage.getItem('foo');

  • sessionStorage

     
    var FOO = sessionStorage.getItem('foo');

  • Read Array

     
    var FOO = ARR[Math.floor(Math.random() * ARR.length)]