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Everything you need to know about new React 16.3

The new 16.3 version of React, released by Facebook at the end of March, delivers reinforced development opportunities and broader Application Programming Interface potential.

Last month React, the most favored JS library for User Interface creation, has been upgraded to the latest 16.3 version.

How you can get React 16.3

Getting React 16.3 version is simple - download it from the React's GitHub repository and enjoy expanded possibilities.

New features in React 16.3

One of the most distinctive characteristics of the 16.3 upgrade is the tangible transformation of the React lifetime.

Lifetime transformations of React 16.3

Speaking of a lifetime, the async rendering model, that becomes available in the new version, expands the class elements Application Programming Interface pattern that is exploited in a different manner which wasn’t intended before. Therefore, the extra life circles are provided. Besides, one more update allows maintenance of secured reading of the features, for example, Document Object Model before the upgrades are implemented.

Moreover, the new React release provides some life cycles with the unsecured prefix. In a nutshell, the determination “unsafe” doesn’t mean the actual vulnerability, but it means that if the developer is utilizing these life circles, he may find some bugs in the further upgrades of React JS.

Using React 16.3, the coders are not required to perform any actions towards the legacy procedures. The 16.3 version is designed for the rapid public-source project supporters in order to upgrade the library in front of deterioration cautioning.

In React 16.3 you can also find the StrictMode component that detects the elements with unsecured life circles. This feature which can be launched only in the development regime is also notifying the developer about utilization of legacy string-reference Application Programming Interface and searching for the unpredicted side reactions. Furthermore, StrictMode calls up the extra verification to find offshoots. And that’s not all as the expanded performance will be available soon.

Context Application Programming Interface maintains stationary verification and rooted upgrades

The latest context Application Programming Interface maintains fixed examination and deep-rooted updates. According to React team on Facebook, this kind of API is more effective compared with the preceding versions. The context principle allows the information flowing via an element-based tree avoiding the necessity to overpass the props in a manual way, especially taking into account that some props may contain LocPref and User Interface motives.

The rest of new React 16.3 features comprise:

  • The reinforced Application Programming Interface, designed for ref navigation that establishes a channel to reach Document Object Model node or the elements of React in a rendering manner;
  • The forwardRef Application Programming Interface that assists in the utilization of high-level elements for code repeated exploitation.
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Comparing with the preceding version: React 16.2

The previous version, React 16.2 has been released at the end of November last year providing the capabilities to enhance the maintenance of various derived components of the element rendering methodology. The pieces used to repeatedly bring together the unfilled JSK tags, allow the coder systematizing the range of derivatives avoiding the addition of a node to the Document Object Model.

React 16.2 is available from the NPM register.

The most prominent characteristics of React 16

In fact, React 16 is the new perception of the React core with the enhanced receptivity for complicated apps through the upgraded rapprochement algorithm. The primary edition of React 16 became public in September last year.

The essential features of React 16 include:

  • The errors that signify the element bundle footprint in order to facilitate debugging process;
  • Restoration of string and array constituents from the element rendering procedures;
  • The upgraded quicker flowing server-lateral rendering gear;
  • The apps capacity is more natural;
  • Migration from the disputed BSD+Patents licensing to more suitable MIT license.

Despite the fact that React’s stuffing was totally changed in 16’s version, the appearance was not transformed significantly. The vendor aimed to prevent developers from repeated coding of already prepared components using React.

The React 16 next code was created simultaneously with keeping the previous edition in the archive of GitHub that is a common approach to Facebook in terms of updates sequence arrangement. The developers were able to shift from one version to another using Boolean use fiber sign. This decision enabled the vendor to develop a new solution without affecting the current clients and to eliminate discovered bugs in preceding version.

In a couple of months of eliminating the bugs, Facebook released the sole library with a low risk of finding bug instead of maintaining two versions at the same time.

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