MeasureThat.net

Run results for: Chaining concat, spread, push spread, push single

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.27 Safari/537.36
Chrome 96
Linux
Desktop
3 years ago
Test name Executions per second
concat 167.3 Ops/sec
spread push 1246.2 Ops/sec
spread 65.6 Ops/sec
push single 8641.9 Ops/sec
Tests:

  • concat

    ​x
     
    var params = new Array(1000);
    let other = [];
    for (let x = 0; x < 100; ++x) {
      other = other.concat(params);
    }
    ​
    console.log(other);

  • spread push

     
    var params = new Array(1000);
    let other = [];
    for (let x = 0; x < 100; ++x) {
      other.push(...params);
    }
    ​
    console.log(other);

  • spread

     
    var params = new Array(1000);
    let other = [];
    for (let x = 0; x < 100; ++x) {
      other = [...other, ...params];
    }
    ​
    console.log(other);

  • push single

     
    var params = new Array(1000);
    let other = [];
    for (let x = 0; x < 100; ++x) {
      params.forEach(p => other.push(p));
    }
    ​
    console.log(other);