MeasureThat.net

Run results for: {} vs {null}

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Windows
Desktop
one month ago
Test name Executions per second
Creation: Object 48867.4 Ops/sec
Creation: Object w null p 52193.9 Ops/sec
HTML Preparation code:
AخA
 
1
<!--your preparation HTML code goes here-->
Tests:

  • Creation: Object

    ​x
     
    const d1 = {};
    ​
    for (let i = 0; i < 10000; i++) {
        d1[i] = i;
    }
    ​

  • Creation: Object w null p

     
    const d2 = Object.create(null);
    ​
    for (let i = 0; i < 10000; i++) {
        d2[i] = i;
    }
    ​