The Science of JavaScript Segmentation in Handling React Framework

Billy McDavid
3 min readNov 22, 2023

Revisiting JavaScript Essentials Before Tackling React

In the dynamic world of web development, React has emerged as a powerful and widely adopted JavaScript library for building user interfaces. Its component-based architecture and virtual DOM make it a favourite among developers for creating interactive and responsive web applications. However, before diving headfirst into React, it’s crucial to revisit the fundamentals of JavaScript.

JavaScript is the backbone of modern web development, and a solid understanding of its core concepts is essential for mastering React. Let’s explore why taking a step back to refresh our JavaScript knowledge is a wise investment in our journey toward becoming proficient React developers.

1. The Foundation of React

React is built on top of JavaScript, and its syntax and functionality are deeply intertwined with the language. Knowing JavaScript well lays a strong foundation for understanding React’s components, state management, and the overall flow of data in a React application. By revisiting JavaScript essentials, developers can enhance their problem-solving skills and write cleaner, more efficient React code.

2. ES6 and Beyond

React heavily leverages features introduced in ECMAScript 6 (ES6) and later versions. Concepts like arrow functions, de-structuring, and template literals are not just syntactic sugar; they enhance code readability and conciseness. A solid grasp of these features enables developers to write more concise and expressive React code, leading to better maintainability and collaboration within development teams.

3. Asynchronous JavaScript

React applications often involve asynchronous operations, such as fetching data from an API or handling user interactions. Understanding asynchronous JavaScript concepts, such as Promises and async/await, is crucial for managing asynchronous tasks efficiently in a React application. This knowledge ensures that developers can handle data flow seamlessly and provide a smoother user experience.

4. Scope and Closures

React’s component-based architecture relies on the concept of scope and closures in…