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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.108 Whale/3.15.136.18 Safari/537.36

Browser: Chrome 102

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Nullish coalescing (??)	1596868.4 Ops/sec
Logical OR (\|\|)	1578488.1 Ops/sec
Nullish coalescing (??) [short-circuit]	936098816.0 Ops/sec
Logical OR (\|\|) [short-circuit]	924432384.0 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]