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Run results for:
instanceof vs hasOwnProperty
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<iframe src="https://measurethat.net/Embed?id=503266" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0
Browser:
Firefox 122
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
instanceOf
140082592.0 Ops/sec
hasOwnProperty
925570496.0 Ops/sec
Script Preparation code:
var obj = {a: 1}
Tests:
instanceOf
obj instanceof Object
hasOwnProperty
obj.hasOwnProperty('a')