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Run results for:
localStorage vs sessionStorage vs Reading a Hardcoded Array Speedtest
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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
Test name
Executions per second
Control
993714432.0 Ops/sec
localStorage
2904290.8 Ops/sec
sessionStorage
3489876.5 Ops/sec
Read Array
233643584.0 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)]