Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
Feature Requests
FAQ
Register
Log In
Run results for:
localStorage vs sessionStorage vs Reading a Hardcoded Array Speedtest
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=581773" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Control
993.7M/s
Read Array
233.6M/s
sessionStorage
3.5M/s
localStorage
2.9M/s
View exact numbers
Test name
Executions per second
✓
Control
993,714,432 Ops/sec
Read Array
233,643,584 Ops/sec
sessionStorage
3,489,876 Ops/sec
localStorage
2,904,291 Ops/sec
Script Preparation code:
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)]