MeasureThat.net

Run results for: parseInt vs Number parsing

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36
Chrome 97
Windows
Desktop
3 years ago
Test name Executions per second
No conversion 5348200.0 Ops/sec
parseInt 3067218.5 Ops/sec
Number 2663855.2 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);