MeasureThat.net

Run results for: Array split vs string substring for dates

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36
Chrome 91
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Array.split 6594958.5 Ops/sec
Substring 16607315.0 Ops/sec
Script Preparation code:
AخA
 
var s = "2021-06-03T00:00:00.000Z";
Tests:

  • Array.split

     
    var n = s.split("T")[0];

  • Substring

     
    var n = s.substring(0, 10);