ReactJS is the ultimate library for front-end developers today. When you learn React, you become better at development, and many organizations consider these React developer skills as an essential part of their growth. Reactjs Developers should be hungry to level up or edit the skills required for Facebook’s flagship JavaScript library. See how developers stack up with these ten essential skills before you hire Reactjs developers.
Level up HTML and CSS3
No front-end developer is no stranger to HTML and CSS. Working and preparing with the user interface is essential for every organization. At the highest level, Reactjs developers should be able to:
- Work and write with semantic HTML tags
- Work and write with CSS selectors
- Apply CSS reset
- Understand the box model and border-box reset
- Understand Flexbox
- Work and apply responsive web principles, including the right use of media queries
Work on JSX
In response, you never really touch HTML properly. You are dealing with a syntax extension that is one of the most significant parts of the React ecosystem: JSX. JSX looks like HTML. You can think of it as HTML-flavoured JavaScript if you hire dedicated Reactjs developers.
The best thing about JSX is that if you know HTML and CSS, you know how to work intuitively with JSX.
JSX is an abstraction at the top of React.createElement() API. One of the reasons this is important for the library – and why the Reactjs team decided to go with it in the first place – is that the API would be too cumbersome to use in terms of scaling.
React.createElement() could potentially be used to create a complete application, although this is no more efficient than using HTML properly. However, a few quick minutes with JSX, and you’ll be in style.
Learn JavaScript Fundamentals + ES6
Without a strong understanding of the basic concepts that JavaScript language provides, you can’t stop responding, but these ES6 skills are also essential.
It is important to understand when and where you have access to the data you need. Variable is a mechanism built into JavaScript that allows us to keep data in memory and access that data later in our application.
ES6 brings new keywords that we can use to store variables other than the traditional `var` keywords (such as` let` and `const`). You can choose to live by the principle that unless you need `var` at all, use` const` unless your linter tells you otherwise, then default `let`.
Do not underestimate the importance of these basics. Today many practices lend themselves to functional programming. The opportunity to use the JavaScript function to create small parts of the UI is like creating a Lego set without notice.
Each part of the UI is an embedded function that includes the state data needed to render your elements, the element itself, and the formal component logic you need to use that logic. Each component is a Lego brick, and it’s up to you to fit it all together.
DOM manipulation and event handlers
In response, manipulation of actual DOM elements is rare. Remember, we now have the JSX abstraction. With normal DOM manipulation in React, the basic event object you get is a synthetic event.
Make sure you combine different events with HTML elements like ‘onclick’, ‘onchange’, ‘mousenter’, etc.
High order tasks and callback tasks
The idea that functions can be passed on as arguments – in the case of higher-order tasks and callbacks – drives the ‘input/output model of functional programming.
Reactjs will inspire you to be innovative and creative as you move forward with it. You pass handlers everywhere in response. Most of the handlers you pass are in the form of mechanisms associated with the object and used as properties, which will be bound in a prototype chain.
However, there are moments when you need to reach out to the React component paradigm or create some different types of components that extend certain functionality to each other. These patterns are commonly known as advanced Reactjs patterns and are finding their way into the realm of better / common practices.
Prototype legacy and object creation
Reactjs itself is a functional programming model in many aspects. However, you work in the world of classes and, consequently, in the world of object creation. If you understand how prototype chains work in JavaScript, you will know what you need to know about how legacy works in JavaScript.
Remember, there are no traditional classes in JavaScript. The class keyword JavaScript contains only the synthetic sugar at the top of the ‘object prototype’ chain.JavaScript classes are not like classes in the traditional programming sense. You create classes that contain your template logic, formal JavaScript logic and even styles, known as components.
These components are the building blocks of any Reactjs application, and there are only two ways to write the original component: either by declaring it as a function or by declaring it as a class. Evaluate proficiency before you hire offshore remote developers with the classes by making sure you can answer.
Excellency in Git
Git is essential for every developer’s toolkit to archive a project on solutions such as GitHub, BitBucket and GitLab. Skills that should be part of your daily routine include if you hire offshore Reactjs developers:
- Tracking changes with add, commit, push and pull
- Branch and merger strategy
- Merge Dispute Management
Hands-on Node + npm
Nodes can come as a surprise to many. Why do you need to know how to work with a node to become a client-side Reactjs dev? While you can drag Reactjs into any HTML file, many other packages will allow you to expand the Reactjs library.
It sounds weird, but it’s about npm: Cloud storage for packages we call dependencies. Reactjs developers should have a solid understanding of the npm registry. This is where software developers can get the software to help create software.
Yarn vs NPM
Yarn is a package manager built to use the npm registry. The yarn optimizes your npm workflow. Yarn and NPM compete to some extent today, but Yarn’s mission is to solve many of the accepted problems in the node / NPM ecosystem. npm is doing everything possible to follow the pattern and practice offered by Yarn.
Redux
React has built-in state management. And many React Js development team has been burned along the way, exploring how the asymmetry and Reactjs to state updates handle them.
For this reason, and for scalability, Redux was born. Redux is a state management library and more. It’s not a framework but a well thought out way to work with data. The principles behind Redux are functional programming and lines of immutability, but they are not one-size-fits-all solutions. It is important to master basic Reactjs programming concepts before diving into Redux.
