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Run results for:
instanceof vs hasOwnProperty
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<iframe src="https://measurethat.net/Embed?id=577776" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
instanceOf
147178272.0 Ops/sec
hasOwnProperty
1670237184.0 Ops/sec
Script Preparation code:
var obj = {a: 1}
Tests:
instanceOf
obj instanceof Object
hasOwnProperty
obj.hasOwnProperty('a')