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Run results for:
typeof vs instanceof Function
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 138
Operating system:
Android
Device Platform:
Mobile
Date tested:
3 days ago
Test name
Executions per second
instanceof
43745008.0 Ops/sec
typeof
52653620.0 Ops/sec
Script Preparation code:
var f = () => {};
Tests:
instanceof
f instanceof Function
typeof
typeof f === 'function'