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Run results for:
Nullish coalescing (??) vs logical OR (||)
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<iframe src="https://measurethat.net/Embed?id=537079" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Browser:
Chrome 127
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Logical OR (||) [short-circuit]
141.6M/s
Nullish coalescing (??) [short-circuit]
138.3M/s
Logical OR (||)
2.7M/s
Nullish coalescing (??)
2.5M/s
View exact numbers
Test name
Executions per second
✓
Logical OR (||) [short-circuit]
141,645,184 Ops/sec
Nullish coalescing (??) [short-circuit]
138,343,616 Ops/sec
Logical OR (||)
2,701,208 Ops/sec
Nullish coalescing (??)
2,547,494 Ops/sec
Tests:
Nullish coalescing (??)
let x = null ?? undefined ?? null ?? undefined ?? null ?? undefined ?? null ?? undefined ?? null ?? undefined ?? 1;
Logical OR (||)
let x = null || undefined || null || undefined || null || undefined || null || undefined || null || undefined || 1;
Nullish coalescing (??) [short-circuit]
let x = 1 ?? undefined ?? null ?? undefined ?? null ?? undefined ?? null ?? undefined ?? null ?? undefined ?? 1;
Logical OR (||) [short-circuit]
let x = 1 || undefined || null || undefined || null || undefined || null || undefined || null || undefined || 1;