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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36

Browser: Chrome 84

Operating system: Mac OS X 10.15.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Add using Decimal.js	596.5 Ops/sec
Add using native numbers	1956103.1 Ops/sec
Add using numerical strings parsed with Number	3467.5 Ops/sec
Add using numerical strings parsed with parseFloat	2613.9 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:

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") }