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What is Babel in React?

Babel is a JavaScript compiler tool that can convert modern JS code into its older versions. It’s useful in many ways although as someone who’s relatively early on in their career you won’t need to use it daily. Browsers To understand what is Babel and how does it affect us as React developers we first need to have a very basic understanding of how the browsers work with JavaScript. Although JS first appeared in 1995, it’s...

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How To Reduce An Array in React?

So you have an array in the state of your application and need to process it somehow? Let’s take a look at how to write a simple algorithm to sum all the values of the array. Later we will improve on it by using the reduce JS method available on the arrays. Algorithm Given an array of objects, where each object has two properties, name and age, calculate the average age of all the users. We will first do it in the simplest way...

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What Is An Integrated Development Environment?

An integrated development environment (IDE) is software that facilitates software developers in writing source code, debugging it, and providing specific tools for automation that make application development easy for them. An integrated development environment or IDE combines many software developer tools required by the developers at one platform and the graphical user interface GUI. IDEs that are most commonly used are Eclipse,...

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How To Check My React Version and Update It?

Have you ever wondered what version of React application is your project using? Not sure how to update it? Luckily it’s quite a simple process, let’s take a look at how you can handle this yourself in a few steps. React version To check which React version is your project using you need to open the package.json. Take a look under the dependencies section. It should list all of the dependencies of your project and one of those...