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

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; CPH2461) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.192 Mobile Safari/537.36 OPR/74.2.3922.71774

Browser: Opera Mobile 74

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Nullish coalescing (??)	494147.2 Ops/sec
Logical OR (\|\|)	491470.5 Ops/sec
Nullish coalescing (??) [short-circuit]	496426976.0 Ops/sec
Logical OR (\|\|) [short-circuit]	496545600.0 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]