React Js. Technology – Facebook's Thriving JavaScript Library

NOIDA, India - Oct. 15, 2018 - PRLog -- Facebook's JavaScript library is becoming an ever-increasingly popular option for developers. In this article, we're going to list out the main pros and cons of using React.js, diving a little deeper into the key issues that matter the most.

What is React.js?

React.js, usually referred to as React, is an open-sourced JavaScript library, used for building interfaces. It's maintained by Facebook, along with a developer's community, consisting of individuals and companies. The library is used extensively in the development of user interfaces for single-page or mobile applications.

Advantages of React.js and criticisms

Advantages of React include:

It's very efficient, since it utilizes a "Virtual DOM" and thereby avoiding inefficient and costly DOM operations.

It's heavily focused on UI. Applications run smoothly and interruptions are avoided, due to the focus on the user interface. There is also React Native for the development of mobile apps, facilitating a much easier transitioning process.

Writing your own components becomes much easier, since the JSX syntax used     combines both JavaScript and HTML. Subcomponent rendering is more efficient as JSX accepts HTML quoting.

It enhances productivity, since system components (at different levels) can be reused, ensuring a consistent app look, as well as maintenance and growth of the codebase.

After installing the official Chrome extension, the JS developer is able to design and advance their app while seeing it in the virtual DOM, making it far more user-friendly, intuitive and efficient than many other programming options.

If you're already a JavaScript user, it's relatively easy to learn.Since it's not a full framework, but rather a library, it's user-friendliness means that a competent JavaScript developer can begin building a web application after a few days of training.

It has the backing of Facebook and its credibility has been demonstrated by other top brands using it.

While the pros of React clearly outweigh the cons, a couple of notable criticisms include:

Relatively high memory (RAM) requirements from using a "Virtual DOM,

Contributors of React must sign a Facebook Contributor License Agreement,     limiting the spirit of open source sharing.

Is React.js Good for SEO?

Despite some recent enhancements, it's been acknowledged that JavaScript frameworks aren't the most search engine friendly. React.js, however, can run on the server, with the "Virtual" DOM being returned and rendered in the browser. This manifests as a regular webpage, bypassing many of the SEO problems that JavaScript frameworks have.

How is React.js impacting the market and the world of developers?

With global giant Facebook behind it, along with affiliated services: Instagram and Whatsapp, it looks like React is here to stay. While critics of React are keen to point our out that the use of a "Virtual DOM" leads to high memory requirements, the number of tech giants and big businesses that are implementing React into their applications continues to grow. These include:

WordPress,
Twitter,
Netflix,
Yahoo,
Walmart
Uber.
And it will only get more complete and continue to evolve as time goes by, making it an obvious choice in the toolkit of developers.
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