is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

v7.0.0 URL: https://unpkg.com/is-number@7.0.0/index.js

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cast check coerce coercion finite integer is isnan is-nan is-num is-number isnumber isfinite istype kind math nan num number numeric parseFloat parseInt test type typeof value

jsbn

The jsbn library is a fast, portable implementation of large-number math in pure JavaScript, enabling public-key crypto and other applications on desktop and mobile browsers.

v1.1.0 URL: https://unpkg.com/jsbn@1.1.0/index.js

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biginteger bignumber big integer

node-int64

Support for representing 64-bit integers in JavaScript

v0.4.0 URL: https://unpkg.com/node-int64@0.4.0/Int64.js

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math integer int64

is-bigint

Is this value an ES BigInt?

v1.1.0 URL: https://unpkg.com/is-bigint@1.1.0/index.js

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bigint es integer is

big-integer

An arbitrary length integer library for Javascript

v1.6.52 URL: https://unpkg.com/big-integer@1.6.52/BigInteger.js

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math big bignum bigint biginteger integer arbitrary precision arithmetic