es5

A 1-post collection

Understanding ES5, ES2015 and TypeScript

What is the difference between ES5, ES2015 (formerly known as ES6), and TypeScript? Which should we learn and use? First, let’s create a foundation for our discussion for each of these. TypeScript is a superset of JavaScript. ES2015 is the evolution of ES5. This relationship makes it easier to learn them progressively. We want to understand the differences between them, but first we must understand what each of these are and why they exist. We’ll start with ES5. ES5 ES5 is what most of us have used for years. Functional programming at its best, or worst, depending on how you view it. I personally love programming with ES5. All modern browsers support it. It’s...