Determine if the JS environment has Symbol support. Supports spec, or shams.

Object.prototype.hasOwnProperty.call shortcut

Implementation of Function.prototype.bind

ECMAScript spec abstract operations.

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

Is this an arguments object? It's a harder question than you think.

Runtime type checking for React props and similar objects.

A better forEach

Cooperative scheduler for the browser environment.

React is a JavaScript library for building user interfaces.

Copies non-react specific statics from a child component to a parent component

An object of css properties that don't accept values with units

ES5 spec-compliant shim for String.prototype.trim

ECMAScript extensions and shims

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress

Give your JavaScript the ability to speak many languages.

React component of botframework-webchat