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Run results for:
typeof vs instanceof vs constructor vs toString
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=570282" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
typeof
198355.2 Ops/sec
instanceof
193881.2 Ops/sec
constructor
193293.8 Ops/sec
toString
190924.9 Ops/sec
Script Preparation code:
var data = 1000n;
Tests:
typeof
console.log(typeof(data) == 'bigint');
instanceof
console.log(data instanceof BigInt);
constructor
console.log(data.constructor == BigInt);
toString
console.log(Object.prototype.toString.call(data) == '[object BigInt]');