Run results for: bignumber.js vs. big.js vs. decimal.js 2022 ver.

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Native toString()	514567392.0 Ops/sec
Native toFixed(9)	15527866.0 Ops/sec
bignumber.js toString()	484169.1 Ops/sec
bignumber.js toFixed(18)	466552.5 Ops/sec
big.js toString()	639991.2 Ops/sec
big.js toFixed(18)	575980.4 Ops/sec
decimal.js toString()	550162.6 Ops/sec
decimal.js toFixed(18)	513656.5 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.1.0/bignumber.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/big.js/6.2.1/big.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/decimal.js/10.3.1/decimal.min.js"></script>
<!--<script src="https://cdn.jsdelivr.net/npm/decimal.js-light@2.5.1/decimal.min.js"></script>-->

Script Preparation code:

BigNumber.set({
    EXPONENTIAL_AT: 999,
    DECIMAL_PLACES: 18
});
Decimal.set({
    toExpNeg: -999,
    toExpPos: 999,
    precision: 18
});
Big.DP = 18;
Big.NE = -999;
Big.PE = 999;

Tests:

Native toString()
{ const a = 1.23456; const b = 2.34567; const c = 9.8765555; const d = 5.78922111; ((a + b) * (c - d)).toString(); }
Native toFixed(9)
{ const a = 1.23456; const b = 2.34567; const c = 9.8765555; const d = 5.78922111; ((a + b) * (c - d)).toFixed(9); }
bignumber.js toString()
{ const a = BigNumber('1.23456'); const b = BigNumber('2.34567'); const c = BigNumber('9.8765555'); const d = BigNumber('5.78922111'); a.plus(b).times(c.minus(d)).toString(); }
bignumber.js toFixed(18)
{ const a = BigNumber('1.23456'); const b = BigNumber('2.34567'); const c = BigNumber('9.8765555'); const d = BigNumber('5.78922111'); a.plus(b).times(c.minus(d)).toFixed(18); }
big.js toString()
{ const a = Big('1.23456'); const b = Big('2.34567'); const c = Big('9.8765555'); const d = Big('5.78922111'); a.plus(b).times(c.minus(d)).toString(); }
big.js toFixed(18)
{ const a = Big('1.23456'); const b = Big('2.34567'); const c = Big('9.8765555'); const d = Big('5.78922111'); a.plus(b).times(c.minus(d)).toFixed(18); }
decimal.js toString()
{ const a = Decimal('1.23456'); const b = Decimal('2.34567'); const c = Decimal('9.8765555'); const d = Decimal('5.78922111'); a.plus(b).times(c.minus(d)).toString(); }
decimal.js toFixed(18)
{ const a = Decimal('1.23456'); const b = Decimal('2.34567'); const c = Decimal('9.8765555'); const d = Decimal('5.78922111'); a.plus(b).times(c.minus(d)).toFixed(18); }

Run results for: bignumber.js vs. big.js vs. decimal.js 2022 ver.

Compare newer version of bignumer libraries.

Native toString()

Native toFixed(9)

bignumber.js toString()

bignumber.js toFixed(18)

big.js toString()

big.js toFixed(18)

decimal.js toString()

decimal.js toFixed(18)