![]() Server side rendering solves these problems by rendering the page on the server so the user sees the content right away before the client version of the app takes over for that incredible experience. Additionally, the client has to wait for the application package to load before the app renders. Render(, document.getElementById('root')) Improved Server-Side Rendering: Single page apps such as the one React delivers are great for performance because they execute in the client’s browser, but are terrible in terms of search engine optimization (SEO). As a result, React 16.0 and above are not supported by Internet Explorer ((fruit, index) => from 'react-dom' Ĭonst Notice = () => createPortal('This renders outside the parent DOM node', document.getElementById("portal")) In addition, this version also introduced the use of requestAnimationFrame. Some of the major features introduced in this release include:A new JavaScript environment: React 16.0 was written with modern JavaScript primitives such as Map and Set in mind. ![]() It was a major leap forward in the evolution of React and true to its promise, the 16.x branch has marched on, conquering new heights and setting benchmarks for the library, the developer experience,and performance.So, let’s look back at the 16.0 branch, right from its inception and analyze its evolution, all the way to React 16.8.React 16.0Released: 26th September, 2017React 16.0 marked a major leap forward in the evolution of the library and was a total rewrite. Components re-render if the data in the props update.The road to React 16.8On 26th September, 2017, React 16.0 was announced with much fanfare. Props - Components can either fetch data from an API and store in the local state, or they can ingest data using props, which are like inlets into a prop. React takes care of the underlying browser specific implementation internally.6. React wraps browser specific implementations into Synthetic Events, which are dispatched on user interaction. Synthetic Events - Browsers handle events differently. ![]() Internally, JSX is compiled into efficient render functions. JSX - The render method inside a class component or the function component itself allows you to use JSX, which is like an XML language that incorporates JavaScript expressions. The image below demonstrates a login interface which has been composed together using three components.4. By breaking down UIs into functional and atomic pieces, you can compose together interfaces that scale well. Components - Everything that you build with React, is known as a component. This is known as declarative programming where you simply describe your views in terms of data that it has to show.3. You simply update the state and React manages the rest of the process that leads to the view getting updated. Declarative Programming & State - State is the data that describes what your component renders as its content. The Virtual DOM - An in-memory representation of the DOM and a reconciliation algorithm that is at the heart of React’s performance.2. By composing components together, you can create UIs that scale well and deliver performance.What sets React apart is its feature set.1. ![]() React allows you to disintegrate a user interface into components, a functional unit of an interface. By Sachin Bhatnagar What is React?React is a library by Facebook that allows you to create super performant user interfaces.
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