Montana Code School Week Three Review

This is a base area to review what we covered in week three.

First, we'll review on basic JavaScript concepts by making Util.js with tests first.

• Array.filter
• Array.map
• Old style JavaScript constructor Functions
• Adding methods with Object.prototype
• ES6 Classes (constructors and functions)
• ES6 Arrow Functions

Second, we'll review working with React

• Build sub components and display them in App
• Pass data in as properties to a React component to change how it looks
• Have some state that can change dynamically
• Define functions that are passed to subcomponents