A test-driven vanillaJS implementation of Object.prototype.isPrototypeOf()
A recursive, test-driven implementation of Object.prototype.isPrototypeOf() (includes a non-recursive version too)
https://sagirk.github.io/isPrototypeOf/isPrototypeOf-recursive.html
A recursive, test-driven implementation of Object.prototype.isPrototypeOf() (includes a non-recursive version too)
https://sagirk.github.io/isPrototypeOf/isPrototypeOf-recursive.html
MIT License