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Run results for:
IIFE vs regular code v2
Check if IIFE have a negative runtime impact or if they are optimized away
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<iframe src="https://measurethat.net/Embed?id=491056" 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/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
regular code
20.8M/s
IIFE
10.1M/s
View exact numbers
Test name
Executions per second
✓
regular code
20,795,454 Ops/sec
IIFE
10,104,186 Ops/sec
Tests:
IIFE
let sum = 0; for (let i = 0; i < 100; i++) { const a = (() => 4)(); sum += a; }
regular code
let sum = 0; for (let i = 0; i < 100; i++) { const a = 4; sum += a; }