Run results for: In-memory, localStorage and sessionStorage Speedtest

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.837 YaBrowser/23.9.4.837 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Control

5.4M/s

sessionStorage

2.4M/s

localStorage

2.4M/s

View exact numbers

Test name	Executions per second
✓ Control	5,424,964 Ops/sec
sessionStorage	2,434,553 Ops/sec
localStorage	2,425,883 Ops/sec

Script Preparation code:

localStorage.setItem('foo', 'bar')
sessionStorage.setItem('foo', 'bar')
window.foo = 'bar';

Tests:

Control
var FOO = window.foo
localStorage
var FOO = localStorage.getItem('foo');
sessionStorage
var FOO = sessionStorage.getItem('foo');