Embracing JavaScript ES6
React is written in the JavaScript language. JavaScript has been evolving for the past 20 years. With usage in frameworks such as jQuery, Angular, React, and Node.js, JavaScript is one of the most popular and influential programming languages.
The latest JavaScript is based on ECMAScript 2015, which is also known as ES6. This brought a few important features to JavaScript, and React has quickly adopted these features quite nicely. The following are just a few of the features:
- Arrow function
- Spread and rest
- Object enhancement
- Template strings
- Destructuring
- Let and const
- Modules
- Symbols
If you are considering using JavaScript as your main language, it's recommended that in your free time, you go over all the preceding materials because they are commonly used by React apps. We'll go over each of these features in the following sections.
Arrow function
The arrow function is a new syntax for function...
