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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/116.0

Browser: Firefox 116

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 9 months ago

Test name	Executions per second
Nullish coalescing (??)	788465000.0 Ops/sec
Logical OR (\|\|)	740541100.0 Ops/sec
Nullish coalescing (??) [short-circuit]	741248800.0 Ops/sec
Logical OR (\|\|) [short-circuit]	740111500.0 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;