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Run results for:
instanceof vs in
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=570365" 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
instanceof
242590720.0 Ops/sec
in
1493049344.0 Ops/sec
not nil
1470953856.0 Ops/sec
Script Preparation code:
var obj = {a:2};
Tests:
instanceof
obj instanceof Object
in
'a' in obj
not nil
!!obj.a