MeasureThat.net

Run results for: parseInt vs Number parsing

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36
Chrome 100
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
No conversion 14707910.0 Ops/sec
parseInt 7230388.0 Ops/sec
Number 7194249.0 Ops/sec
Script Preparation code:
AخA
 
var strB = "42.034";
Tests:

  • No conversion

     
    var res = +strB;

  • parseInt

     
    var res = parseInt(strB);

  • Number

     
    var res = Number(strB);