JSBI[1] is a polyfill for the BigInt semantics, without the syntax. Then there's a Babel transform[2] to compile to the native syntax if all your targets suppor

JSBI[1] is a polyfill for the BigInt semantics, without the syntax. Then there's a Babel transform[2] to compile to the native syntax if all your targets support it. [1]: https://github.com/GoogleChromeLabs/jsbi https://github.com/GoogleChromeLabs/jsbi [2]: https://github.com/GoogleChromeLabs/babel-plugin-transform-jsbi-to-bigint https://github.com/GoogleChromeLabs/babel-plugin-transform-j...