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Run results for: Nullish coalescing vs if-chains

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
Chrome 108
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Nullish coalescing 1010312448.0 Ops/sec
If chains 1007971776.0 Ops/sec
Tests:

  • Nullish coalescing

    ​x
     
    let a = null
    ​
    return a ?? "b";

  • If chains

     
    let v = null
    ​
    if(v !== null) {
      return a;
    }
    return "b";