Run results for: bignumber.js vs. big.js vs. decimal.js vs. Fraction.js (v2, with script links corrected)

- https://github.com/iriscouch/bigdecimal.js/tree/v0.6.1 - https://github.com/MikeMcl/bignumber.js/tree/v9.0.0 - https://github.com/MikeMcl/big.js/tree/v5.2.2 - https://github.com/MikeMcl/decimal.js/tree/v10.2.0 - https://github.com/infusion/Fraction.js/tree/v4.0.12

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.72 Safari/537.36

Browser: Chrome 90

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Native	45106024.0 Ops/sec
Native + toFixed	2717620.8 Ops/sec
decimal.js	85591.0 Ops/sec
big.js	113293.5 Ops/sec
bignumber.js	66291.7 Ops/sec
bigdecimal.js	16778.0 Ops/sec
Fraction.js	228483.1 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/bigdecimal@0.6.1/lib/bigdecimal.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bignumber.js@9.0.1/bignumber.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/big.js@6.0.3/big.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/decimal.js@10.2.1/decimal.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/fraction.js@4.0.13/fraction.min.js"></script>

Tests:

Native
var a = 0.1; var b = 0.2; ((a + b) * b).toString();
Native + toFixed
var a = 0.1; var b = 0.2; ((a + b) * b).toFixed(9);
decimal.js
var a = new Decimal("0.1"); var b = new Decimal("0.2"); a.plus(b).times(b).toString();
big.js
var a = new Big("0.1"); var b = new Big("0.2"); a.plus(b).mul(b).toString();
bignumber.js
var a = new BigNumber("0.1"); var b = new BigNumber("0.2"); a.plus(b).multipliedBy(b).toString();
bigdecimal.js
var a = new BigDecimal("0.1"); var b = new BigDecimal("0.2"); a.add(b).multiply(b).toString();
Fraction.js
var a = new Fraction("0.1"); var b = new Fraction("0.2"); a.add(b).mul(b).toString();

Run results for: bignumber.js vs. big.js vs. decimal.js vs. Fraction.js (v2, with script links corrected)

- https://github.com/iriscouch/bigdecimal.js/tree/v0.6.1 - https://github.com/MikeMcl/bignumber.js/tree/v9.0.0 - https://github.com/MikeMcl/big.js/tree/v5.2.2 - https://github.com/MikeMcl/decimal.js/tree/v10.2.0 - https://github.com/infusion/Fraction.js/tree/v4.0.12

Native

Native + toFixed

decimal.js

big.js

bignumber.js

bigdecimal.js

Fraction.js