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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=490886" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0
Browser:
Firefox 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
regular code
19.0M/s
IIFE
18.7M/s
View exact numbers
Test name
Executions per second
✓
regular code
18,983,018 Ops/sec
IIFE
18,677,288 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; }