Run results for: Nullish coalescing (??) vs logical OR (||)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 OPR/100.0.0.0 (Edition std-1)

Browser: Opera 100

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

Test name	Executions per second
Nullish coalescing (??)	2026763.0 Ops/sec
Logical OR (\|\|)	1990282.0 Ops/sec
Nullish coalescing (??) [short-circuit]	1125434000.0 Ops/sec
Logical OR (\|\|) [short-circuit]	1125204000.0 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;

Run results for: Nullish coalescing (??) vs logical OR (||)

Nullish coalescing (??)

Logical OR (||)

Nullish coalescing (??) [short-circuit]

Logical OR (||) [short-circuit]