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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.5.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Nullish coalescing (??)	2376484.0 Ops/sec
Logical OR (\|\|)	2190288.0 Ops/sec
Nullish coalescing (??) [short-circuit]	119117400.0 Ops/sec
Logical OR (\|\|) [short-circuit]	122996400.0 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;