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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Multiply using native numbers

3.8M/s

Multiply using numerical strings parsed with Number

735K/s

Multiply using numerical strings parsed with parseFloat

34K/s

Multiply using Decimal.js

3K/s

View exact numbers

Test name	Executions per second
✓ Multiply using native numbers	3,840,664 Ops/sec
Multiply using numerical strings parsed with Number	734,994 Ops/sec
Multiply using numerical strings parsed with parseFloat	33,677 Ops/sec
Multiply using Decimal.js	2,869 Ops/sec

HTML Preparation code:

<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:

Multiply using Decimal.js
for (var i = 0; i < 1000; i++) { Decimal('0.00253452345').plus(Decimal('0.042234')) }
Multiply using native numbers
for (var i = 0; i < 1000; i++) { 0.00253452345 + 0.042234 }
Multiply using numerical strings parsed with Number
for (var i = 0; i < 1000; i++) { Number("0.00253452345") + Number("0.042234") }
Multiply using numerical strings parsed with parseFloat
for (var i = 0; i < 1000; i++) { parseFloat("0.00253452345") + parseFloat("0.042234") }