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 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.6

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Native	240382864.0 Ops/sec
Native + toFixed	5060086.0 Ops/sec
decimal.js	495724.8 Ops/sec
big.js	628813.8 Ops/sec
bignumber.js	364827.7 Ops/sec
bigdecimal.js	42258.3 Ops/sec
Fraction.js	527744.5 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