Does this environment have the ability to get the [[Prototype]] of an object on creation with __proto__?
__proto__
A small polyfill for Object.setprototypeof
Robustly set the [[Prototype]] of an object
ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines
Object.setPrototypeOf Polyfill
Lightweight debugging utility for Node.js and the browser
Lodash modular utilities.
A querystring parser that supports nesting and arrays, with a depth limit
Higher-order functions and common patterns for asynchronous code
React is a JavaScript library for building user interfaces.
Babel compiler core.