Array.prototype.findIndex ES2015 polyfill.
MDN polyfills
Array.prototype.findIndex ES6 polyfill for ES5 versions and lower.
Simple ES6 Array.prototype.findIndex polyfill for older environments.
Polyfill for Array.prototype.findIndex
Lightweight debugging utility for Node.js and the browser
Lodash modular utilities.
React is a JavaScript library for building user interfaces.
A querystring parser that supports nesting and arrays, with a depth limit
Higher-order functions and common patterns for asynchronous code
Babel compiler core.