Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Linux
Desktop
11 months ago
Test name Executions per second
Control 945686400.0 Ops/sec
localStorage 4275110.0 Ops/sec
sessionStorage 4059320.2 Ops/sec
Read Array 4669778.0 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)]