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Run results for:
bignumber.js vs. big.js vs. decimal.js vs bn.js
- 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/indutny/bn.js
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<iframe src="https://measurethat.net/Embed?id=624580" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Browser:
Chrome 144
Operating system:
Windows
Device Platform:
Desktop
Date tested:
3 months ago
Test name
Executions per second
Native
61316836.0 Ops/sec
Native + toFixed
7453659.0 Ops/sec
decimal.js
529484.4 Ops/sec
big.js
83139.3 Ops/sec
bignumber.js
313087.6 Ops/sec
bn.js
1651564.1 Ops/sec
bn.js in-place
1897195.6 Ops/sec
HTML Preparation code:
<!--script src="https://raw.githubusercontent.com/iriscouch/bigdecimal.js/v0.6.1/lib/bigdecimal.js"></script--> <script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.0.1/bignumber.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/big.js/6.0.3/big.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/decimal.js/10.2.1/decimal.min.js"></script> <script src="https://unpkg.com/bn.js@5.2.1/lib/bn.js"></script> <!--script src="https://raw.githubusercontent.com/infusion/Fraction.js/v4.0.12/fraction.min.js"></script-->
Tests:
Native
var a = 57005; var b = 42; var c = 1.55; ((((a + b) * b) / 5) * c).toString(); // "742751.9400000001"
Native + toFixed
var a = 57005; var b = 42; var c = 1.55; ((((a + b) * b) / 5) * c).toFixed(9); // "742751.940000000"
decimal.js
var a = new Decimal("57005"); var b = new Decimal("42"); var c = 1.55; a.plus(b).times(b).dividedBy(5).times(c).toString(); // "742751.94"
big.js
var a = new Big("57005"); var b = new Big("42"); var c = 1.55; a.plus(b).mul(b).div(5).mul(c).toString(); // "742751.94"
bignumber.js
var a = new BigNumber("57005"); var b = new BigNumber("42"); var c = 1.55; a.plus(b).multipliedBy(b).dividedBy(5).multipliedBy(c).toString(); // "742751.94"
bn.js
var a = new BN("57005"); var b = new BN("42"); var c = 1.55; a.add(b).mul(b).divn(5).muln(c).toString(); // "742750" the divn(5) affects the precision
bn.js in-place
var a = new BN("57005"); var b = new BN("42"); var c = 1.55; a.iadd(b).imul(b).idivn(5).imuln(c).toString(); // "742750" the idivn(5) affects the precision