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

Run details:

User agent: Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36

Browser: Chrome 80

Operating system: Fedora

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Nullish coalescing (??)	1406445.0 Ops/sec
Logical OR (\|\|)	1388748.0 Ops/sec
Nullish coalescing (??) [short-circuit]	703374700.0 Ops/sec
Logical OR (\|\|) [short-circuit]	704697500.0 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;