Run results for: Nullish coalescing V.S. if/else (native)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Nullish

181.4M/s

If/Else

3K/s

View exact numbers

Test name	Executions per second
✓ Nullish	181,430,368 Ops/sec
If/Else	3,088 Ops/sec

Tests:

If/Else
let a = null; let b = 1; const check = (a, b) => { if (a != null) { return a; } else { return b; } } for (let i = 1; i < 1e6; i++){ check(a,b); }
Nullish
let a = null; let b = 1; const check = (a, b) => { return a ?? b; }