bigintjs

BigInt

Enables working with integers beyond 53 bits (the upper limit of what JavaScript's Number type can accurately represent).

This is a pure JavaScript library, unlike other libraries that do the same thing.

Note: This is still a very early version and a lot of operations are missing.

Example

Here's how to create a BigInt from a series of binary values:

var BigInt = require('bigintjs');

// Treat each value in the input array as a 32-bit integer.
var big = new BigInt([0xFF000000, 0x00000000, 0x00000000], 32);
console.log(big.toString());

// You can now perform arithmetics on the BigInt.
console.log(big.shiftRight(8).toString());

In the future, it'll be possible to create a BigInt from a string.

Using this package

You can install this package with NPM:

npm install --save bigintjs

To be able to run this in a browser, you need to use a framework that supports CommonJS modules (for example: Browserify).