Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:108.0) Gecko/20100101 Firefox/108.0
Firefox 108
Mac OS X 10.15
Desktop
2 years ago
Test name Executions per second
Nullish coalescing 862.9 Ops/sec
Logic or operator 763.5 Ops/sec
Tests:
  • Nullish coalescing

    AخA
     
    let v = null
    for (let i = 1; i < 1e6; i++)
      v = v ?? null
  • Logic or operator

     
    let v = null
    for (let i = 1; i < 1e6; i++)
      v = v || null