The Issue with Conventional Approach
Resolution Using Front-end Frameworks/Libraries
At this point, developers found some new ways to deal with these troublesome behaviors, and hence the advent of modern front-end frameworks and libraries started. This new approach helped developers a lot in terms of code management, maintenance, scalability, new feature development, state management, etc. Some of the most commonly used front-end frameworks and/or libraries today are Vue, Angular, and React.
Without further ado, let’s get started!
What is React?
Using React, we develop these components in a way that they are independent and reusable. Moreover, if we wish to dynamically change a single part of a web page, the whole page doesn’t need to be refreshed. Instead, using the component-based approach, we can refresh that specific part/component without reloading the entire page.
I hope, by now, you have some basic idea of what React is. Note that if you’re new to the world of React, make sure that you don’t directly jump into the coding/programming part of it. We strongly suggest that you first understand and have a solid grasp of the theoretical aspects. Once you properly understand the gist of it, you can proceed with the actual coding and implementation of a React app.
Basic Technical Concepts in React
React brings a lot of ease in terms of seamless implementation of component-based development. All this is enabled due to some basic technical concepts which are vital to know while developing applications using React. There are many complex ideas and concepts in the overall React infrastructure but the following three main concepts will suffice as a beginner.
As discussed earlier, React is a library that supports component-based development. These components are independent and dynamic. We can view or hide these components by navigating within the application and Routing enables navigation among components in the application. It plays its part in changing the URL in the browser window and at the same time keeping the user interface in sync with the URL.
Routing is an important and one of the first concepts to know as a React developer in order to seamlessly navigate among components.
Let’s create a scenario. Suppose that we have two independent components namely A and B. Although component B is independent, it can still depend on any data within the application and expect that data as an input in order to function properly. In this case, assume that component B is dependent on some data which is present in component A. Since we have built both components as independent entities, they have no common variables or placeholders. Hence, they do not have direct access to each other’s data. Here comes the concept of inter-component communication. Using this approach, we allow the independently developed components to share the flow of information/data with each other.
Inter-component communication is another vital concept to know if you’re starting your journey as a React developer.
Each component has its state. This state is nothing but a set of certain important variables at which the component depends in order to function properly. As per the application requirements and flow, these variables need to be updated. How to handle these changes is primarily called state management.
State management is an extremely important concept because the application can exhibit multiple different behaviors at runtime and all those dynamic behaviors must be properly captured and reflected on the UI at runtime.
This was just a basic introduction and gist of React. There are many different complex ideas and concepts as well. I hope this guide serves the purpose of introducing you to the world of React development.
Feel free to ask your questions in the comments section below. If you wish to learn more about React, you can check out our collection of React tutorials.