You are currently looking at the v6.0 - v8.2 docs (Reason v3.6 syntax edition). You can find the latest manual page here.
(These docs are equivalent to the old BuckleScript docs before the ReScript rebrand)
Browser Support & Polyfills
ReScript compiles to JavaScript ES5, with the exception of optionally allowing to compile to ES6's module import & export.
For old browsers, you also need to polyfill TypedArray. The following standard library functions require it:
Int64.float_of_bitsInt64.bits_of_floatInt32.float_of_bitsInt32.bits_of_float
If you don't use these functions, you're fine. Otherwise, it'll be a runtime failure.
