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Run results for:
Arrow function vs normal function vs function declaration comparison
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<iframe src="https://measurethat.net/Embed?id=612102" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
Arrow function
239130688.0 Ops/sec
Normal function
268718880.0 Ops/sec
Function declaration
281565792.0 Ops/sec
Script Preparation code:
arrowFn = (a, b) => a + b; fn = function(a, b) { return a + b; }; function fnDef(a, b) { return a + b; }
Tests:
Arrow function
arrowFn()
Normal function
fn()
Function declaration
fnDef()