MeasureThat.net

Run results for: creating maps vs creating objects

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Chrome 127
Windows
Desktop
7 months ago
Test name Executions per second
creating maps 9934.8 Ops/sec
creating objects 3353.0 Ops/sec
Tests:

  • creating maps

    AخA
     
    for (let i = 0; i < 1000; ++i) {
      const map = new Map()
      map.set(i + "", i)
    }

  • creating objects

     
    for (let i = 0; i < 1000; ++i) {
      const obj = {}
      obj[i + ""] = i
    }