Run results for: localstorage and jsonparse

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36 Edg/96.0.1054.57

Browser: Chrome 96

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Control	1065694784.0 Ops/sec
localStorage	1995721.5 Ops/sec
localstorage and parse	766635.5 Ops/sec

Script Preparation code:

localStorage.setItem('foo', JSON.stringify({"sessionId":"0aa0f100-35b2-4746-bb3d-29de4b78441b","sessionStartTime":1639703249923,"lastActivityTime":1639703249923,"isFirstSession":false,"hasMeaningfulAction":false}))

Tests:

Control
var FOO = 'bar';
localStorage
var FOO = localStorage.getItem('foo');
localstorage and parse
var FOO = JSON.parse(localStorage.getItem('foo'));

Run results for: localstorage and jsonparse

Control

localStorage

localstorage and parse