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Run results for:
typeof vs instanceof
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
11 months ago
Test name
Executions per second
typeof
493118.2 Ops/sec
instanceof
496715.1 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
var valueToCheck = { foo: '', bar: 42, baz: false, };
Tests:
typeof
console.log(typeof valueToCheck === 'object');
instanceof
console.log(valueToCheck instanceof Object);