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Run results for:
typeof vs ===null
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:145.0) Gecko/20100101 Firefox/145.0
Browser:
Firefox 145
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
5 months ago
Test name
Executions per second
typeof
292429.6 Ops/sec
=== null
160820320.0 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
var valueToCheck = Math.random() > 0.5 ? 12 : null;
Tests:
typeof
console.log(typeof (Math.random() > 0.5 ? 12 : null) === 'object');
=== null
(Math.random() > 0.5 ? 12 : null) === null;