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Run results for: Add using Decimal.js vs native JS vs Number() vs parseFloat()

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Chrome 105
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Add using Decimal.js 1242.9 Ops/sec
Add using native numbers 3002465.0 Ops/sec
Add using numerical strings parsed with Number 7665.2 Ops/sec
Add using numerical strings parsed with parseFloat 5149.1 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdn.jsdelivr.net/npm/decimal.js-light@2.5.0/decimal.min.js'></script>
Script Preparation code:
 
var x = 5.236;
Tests:

  • Add using Decimal.js

     
    for (var i = 0; i < 1000; i++) {
      Decimal('0.00253452345').plus(Decimal('0.042234'))
    }

  • Add using native numbers

     
    for (var i = 0; i < 1000; i++) {
      0.00253452345 + 0.042234
    }

  • Add using numerical strings parsed with Number

     
    for (var i = 0; i < 1000; i++) {
      Number("0.00253452345") + Number("0.042234")
    }

  • Add using numerical strings parsed with parseFloat

     
    for (var i = 0; i < 1000; i++) {
      parseFloat("0.00253452345") + parseFloat("0.042234")
    }