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Run results for:
Boolean valueOf vs !! test
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<iframe src="https://measurethat.net/Embed?id=595861" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Double negation
260904352.0 Ops/sec
Boolean
258958320.0 Ops/sec
Boolean valueOf
187475264.0 Ops/sec
Script Preparation code:
var test = true;
Tests:
Double negation
!!test
Boolean
Boolean(test)
Boolean valueOf
Boolean(test).valueOf()