First, well add a constructor to the class to initialize the state: In JavaScript classes, you need to always call super when defining the constructor of a subclass. While writing a simple React component in a plain text editor is a good introduction to React, code generated this way is bulky, difficult to maintain and deploy, and slow. React DOM - Remove an unused dependency to address the, Concurrent React, Automatic batching, New Suspense Features, Transitions, Client and Server Rendering APIs, New Strict Mode Behaviors, New Hooks, Many more fixes and performance improvements. To render multiple items in React, we can use an array of React elements. Register the application in the Azure portal. (Just like these docs !) Here are the required steps to transform the Board component: Well update the Game components render function to use the most recent history entry to determine and display the games status: Since the Game component is now rendering the games status, we can remove the corresponding code from the Boards render method. // Or if you are using object spread syntax, you can write: // var newPlayer = {player, score: 2}; installation instructions for Create React App, just like we did when we passed a number to each Square. React can be used as a base in the development of single-page, mobile, or server-rendered applications with frameworks like Next.js. React is component-based. The state data will change based on the user, but the view will remain the same. React is used to build single-page applications. Within the Games handleClick method, we concatenate new history entries onto history. You can place an individual component on a web page or nest hierarchies of components to create a complex UI. I went to the ______ store to buy a birthday card. If two keys match, the corresponding component is moved. Fixed build issues, Added missing package dependencies, Improved error messages. WebCreate React App is a comfortable environment for learning React, and is the best way to start building a new single-page application in React. "No New Features" enables gradual React updates from older versions. What is React JS? Register the application in the Azure portal. First, add stepNumber: 0 to the initial state in Games constructor: Next, well define the jumpTo method in Game to update that stepNumber. You might find this tutorial and the guide complementary to each other. Prefer Object.is instead of inline polyfill, when available. The first approach is to mutate the data by directly changing the datas values. Explicitly passing key={i} silences the warning but has the same problems as array indices and is not recommended in most cases. Core components - Components that are developed and supported as part of the React Native framework. Previous Next . Since state is considered to be private to a component that defines it, we cannot update the Boards state directly from Square. To save typing and avoid the confusing behavior of this, we will use the arrow function syntax for event handlers here and further below: Notice how with onClick={() => console.log('click')}, were passing a function as the onClick prop. [44], On September 26, 2017, React 16.0 was released to the public. Hear a word and type it out. It lets you compose complex UIs from small and isolated pieces of code called components. Community components - Components that are developed and maintained by the community. Start learning React now Learning by Examples Our "Show React" tool makes it easy to demonstrate React. React will only call this function after a click. If you want to build a server-rendered SPA website with a Node.js backend, we recommend installing Next.js on WSL. Keeping the state of all squares in the Board component will allow it to determine the winner in the future. Since its conception, Flux has been superseded by libraries such as Redux and MobX. WebReact is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It's a representation of a DOM object, like a lightweight copy. We also need to initialize the local state and assign an object to this.state. #smashorpass #shorts 31K views Have Teen Girls Ever Made Fake Social Media Accounts? This will allow us to store every past version of the squares array, and navigate between the turns that have already happened. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Try it! Add support for contextType, Support priority levels, continuations, and wrapped callbacks, Improve the fallback mechanism, Fix gray overlay on iOS Safari, Add. It sets up your development environment so that you can use the latest JavaScript features, provides a nice developer experience, and optimizes your app for production. Fix compatibility with Enzyme by exposing batchedUpdates on shallow renderer, Update version of prop-types, Fix react-addons-create-fragment package to include loose-envify transform. app that you built with React and updated with Visual Studio Code, let's try adding an API call to display some data. Learn what React is all about on our homepage or in the tutorial. We will now make a few changes to the Games handleClick method which fires when you click on a square. We will first import component from React and use it to create the class component. Add code to support user sign-in and sign-out. For example, Facebook has dynamic charts that render to tags,[26] and Netflix and PayPal use universal loading to render identical HTML on both the server and client.[27][28]. The ShoppingList component above only renders built-in DOM components like

and

. Fix heuristic for determining when to hydrate, so we don't incorrectly hydrate during an update. Added support for rows & cols, defer & async, loop for, Added support for crossOrigin, download and hrefLang, mediaGroup and muted, sandbox, seamless, and srcDoc, scope attributes, Added any, arrayOf, component, oneOfType, renderable, shape to React.PropTypes, Added support for onMouseOver and onMouseOut event, Added support for onLoad and onError on. In the new tab that opens, the devtools should now have a React tab. What is React JS? React was created by Jordan Walke, a software engineer at Meta, who released an early prototype of React called "FaxJS". Added new features Spread operator ({}) introduced to deprecate this.transferPropsTo, Added support for acceptCharset, classID, manifest HTML attributes, React.addons.batchedUpdates added to API, @jsx React.DOM no longer required, Fixed issues with CSS Transitions. Stores a games history as a game progresses. One option would be to use the strings alexa, ben, claudia. Props are what pass data down into components. React is a JavaScript library for building user interfaces. Let's just use Bootstrap to handle the styling for us. Test the app. We also set xIsNext to true if the number that were changing stepNumber to is even: Notice in jumpTo method, we havent updated history property of the state. This tutorial doesnt assume any existing React knowledge. There's a good comparison of the two on StackOverflow. [52] In August 2017, Facebook dismissed the Apache Foundation's downstream concerns and refused to reconsider their license. Native mobile apps: React Native is a cross-platform way to create Android and iOS apps with JavaScript that render to native platform UI code. This tutorial will walk through how to use create-react-app to fast-forward the set up for a functioning React app so that you can see it running and focus on experimenting with the code, not yet concerning yourself with the build tools. React provides a few built-in hooks like useState,[15] useContext, useReducer , useMemo and useEffect. Now that youre set up, lets get an overview of React! If you prefer learning concepts from the ground up, check out our step-by-step guide. Hooks should only be called from React function components and custom hooks, not normal functions or class components. React allows us to create reusable UI components. In particular, Reactiflux Chat is a great way to get help quickly. If you click on any Square, an X should show up. There are generally two approaches to changing data. One of the features that youll notice is that there is a numbered list to the right of the games board. Accessed 18 Jan. 2023. We can copy + paste the Bootstrap CDN stylesheet reference inside the ./public/index.html file of our React app. We recommend that you check out the tic-tac-toe game before continuing with the tutorial. [12] Hooks are functions that let developers "hook into" React state and lifecycle features from function components. Single-Page Apps (SPAs): These are websites that interact with the user by dynamically rewriting the current web page with new data from a server, rather than the browser default of loading entire new pages. (Just like these docs !) Since we now have a single click handler in Board for many Squares, well need to pass the location of each Square into the onClick handler to indicate which Square was clicked. Well now change the Square to be a function component. Try React Learn React Staying Informed Versioned Documentation Something Missing? WebWhat is React? The games state and the handleClick method should be in the Game component. If the code doesnt make sense to you, or if you are unfamiliar with the codes syntax, dont worry! This will help you develop muscle memory and a stronger understanding. [57] The MIT license change has also been backported to the 15.x release line with React 15.6.2. React is a JavaScript library for building user interfaces. You can now skip the second setup option, and go to the Overview section to get an overview of React. We will use the map() method to display our data from the posts object that we stored it in as keys. Old wounds and fears may arise when you are reminded of past experiences -- even a small reminder might lead you to, Next, prime jurors during jury selection and opening arguments about how a normal person should and shouldnt. When our data changes, React will efficiently update and re-render our components. Restructure variable assignment, Fixed event handling, Fixed compatibility of browser build with AMD environments. When we modified the Square to be a function component, we also changed onClick={() => this.props.onClick()} to a shorter onClick={props.onClick} (note the lack of parentheses on both sides). Next, we need to change what happens when a Square is clicked. Here, ShoppingList is a React component class, or React component type. It is open-source, meaning that you can contribute to it by filing issues or pull requests. Run your React app again: npm start and take a look in your local web browser on localhost:3000 to see your API data being displayed. React has a few different kinds of components, but There are two ways to complete this tutorial: you can either write the code in your browser, or you can set up a local development environment on your computer. If youre going to work on the tutorial locally, instead open src/index.js in your project folder (you have already touched this file during the setup). If youre going to work on the tutorial in your browser, open this code in a new tab: Starter Code. To get an overview of what React is, you can write React code directly in HTML. It will need access to the history to do that, so we will place the history state in the top-level Game component. React Getting Started. It is declarative, meaning that you write the code that you want and React takes that declared code and performs all of the JavaScript/DOM steps to get the desired result. MSAL React supports the authorization code flow in the browser instead of the implicit grant flow. Well want the top-level Game component to display a list of past moves. Try to get as far as you can even if its one or two sections. In React, its conventional to use on[Event] names for props which represent events and handle[Event] for the methods which handle the events. Detecting changes in mutable objects is difficult because they are modified directly. There are many ways to create an application with React (see the React Overview for examples). We recommend following these instructions to configure syntax highlighting for your editor. In this tutorial, well show how to build an interactive tic-tac-toe game with React. The ReAct Toolbox. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. As a next step, we want the Square component to remember that it got clicked, and fill it with an X mark. React components are typically written using JSX, although they do not have to be (components may also be written in pure JavaScript). When an element is created, React extracts the key property and stores the key directly on the returned element. Learn what React is all about on our homepage or in the tutorial. For now, we should see a list of the moves that have occurred in the game and a warning in the developer tools console that says: Warning: Because React cannot know our intentions, we need to specify a key property for each list item to differentiate each list item from its siblings. Where class components are all about the use of classes and the lifecycle methods, functional components have hooks to deal with state management and other problems which arise when writing code in React. To have a complete game, we now need to alternate placing Xs and Os on the board, and we need a way to determine a winner. Our next step is to set you up so that you can start building the game. Fourteen words that helped define the year. [47], React Is - Fix lazy and memo types considered elements instead of components. We will now use the prop passing mechanism again. WebREACT 260K views5 months ago CC Shorts Smash Or Pass - Nick Miller From New Girl! Subscribe to America's largest dictionary and get thousands more definitions and advanced searchad free! The data from the API is saved in our state (using the setState request). We hope you now feel like you have a decent grasp of how React works. Fix performance of React.lazy for lazily-loaded components, Clear fields on unmount to avoid memory leaks, Fix bug with SSR, Fix a performance regression. It is maintained by Meta and a community of individual developers and companies. The Application Insights React plug-in provides several Hooks integrations that operate in a similar way to the higher-order component approach. React components are typically written in JavaScript and JSX (JavaScript XML) which is a JavaScript extension that looks likes a lot like HTML, but has some syntax features that make it easier to do common tasks like registering event handlers for UI elements. The API we will call is JSONPlaceholder, a free API for testing and prototyping that serves up fake placeholder data in JSON format. Create React App is a well-established, reliable way to make a new React project and gives you essential tools and scripts to run, develop, and build your project for deployment. However, React is only concerned with state management and rendering that state to the DOM, so creating React applications usually requires the use of additional libraries for routing, as well as certain client-side functionality.[7][8]. In a web app, the JSX code returned by the component is translated into browser-compliant HTML rendered in the browser. Here are three places you'll find it being used: Web development This is where React got its start and where you'll find it used most often. React, sometimes referred to as a frontend JavaScript framework, is a JavaScript library created by Facebook. Well update the Boards handleClick function to flip the value of xIsNext: With this change, Xs and Os can take turns. Passing props is how information flows in React apps, from parents to children. As a final exercise, lets make it possible to go back in time to the previous moves in the game. After we make a new move, we need to update stepNumber by adding stepNumber: history.length as part of the this.setState argument. We can set this default by modifying the initial state in our Board constructor: Each time a player moves, xIsNext (a boolean) will be flipped to determine which player goes next and the games state will be saved. We will modify the Board to instruct each individual Square about its current value ('X', 'O', or null). Log in or register and confirm your email (required to prevent spam). Web1 : to exert a reciprocal or counteracting force or influenceoften used with on or upon 2 : to change in response to a stimulus 3 : to act in opposition to a force or influence usually used Keys do not need to be globally unique; they only need to be unique between components and their siblings. In Boards renderSquare method, change the code to pass a prop called value to the Square: Change Squares render method to show that value by replacing {/* TODO */} with {this.props.value}: After: You should see a number in each square in the rendered output. Create React App is a comfortable environment for learning React, and is the best way to start building a new single-page application in React. It is open-source, meaning that you can contribute to it by filing issues or pull requests. These tasks are handled by other JavaScript frameworks that are taken by the app as a dependency. We will call calculateWinner(squares) in the Boards render function to check if a player has won. (These are available in the Experimental channel as createRoot and createSyncRoot.). React is a tool for building UI components. REACT utilizes a Dual Passive Reward System Rebase Treasury Dividends and Passive Reflection Rewards. Instead, we will keep using JSX. React. Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/react. Fix regression in Next.js apps by allowing Suspense mismatch during hydration to silently proceed, Fix regression in react-native-web by restoring order of arguments in event plugin extractors, Fix mouseenter handlers from firing twice inside nested React containers. This detection requires the mutable object to be compared to previous copies of itself and the entire object tree to be traversed. This ensures that if we go back in time and then make a new move from that point, we throw away all the future history that would now be incorrect. Declarative views make your code more predictable and easier to debug. There are some common tasks production apps will need to perform. A React component implements the render method, which returns the JSX representing the component's UI. Use Components to inspect the component tree. React is a library, not a framework, so may require additional tools to create a more complex app. In this tutorial: Create a React project with npm. Add support for React DevTools Profiler, Handle errors in more edge cases gracefully, Add react-dom/profiling, Add onAuxClick event for browsers, Add movementX and movementY fields to mouse events, Add tangentialPressure and twist fields to pointer event. When a list is re-rendered, React takes each list items key and searches the previous lists items for a matching key. For example, we can now refer to the whole shopping list by writing . Previous Next . React, sometimes referred to as a frontend JavaScript framework, is a JavaScript library created by Facebook. This pattern is sometimes expressed as "properties flow down, actions flow up". However, React is only concerned with state management and rendering that state to the DOM, so creating React applications (Just like these docs !) The moves are never re-ordered, deleted, or inserted in the middle, so its safe to use the move index as a key. Server-side rendering refers to the process of rendering a client-side JavaScript application on the server, rather than in the browser. Add code to support user sign-in and sign-out. Developers design views for each state of an application, and React updates and renders components when data changes. Lets store the current value of the Square in this.state, and change it when the Square is clicked. So all JSX elements and components are bound into a single tag. Added support for srcLang, default, kind attributes, and color attribute, Ensured legacy .props access on DOM nodes, Fixed scryRenderedDOMComponentsWithClass, Added react-dom.js. It is declarative, meaning that you write the code that you want and React takes that declared code and performs all of the JavaScript/DOM steps to get the desired result. The Game component renders a board with placeholder values which well modify later. Well now discuss immutability and why immutability is important to learn. We will add a container, a header ("Posts from our API call"), and a card for each piece of data from our API. It shows both the code and the result. Stack was slow to draw complex animation, for example, trying to accomplish all of it in one chunk. [36][37] This enables the React community to provide feedback on new potential features, experimental APIs and JavaScript syntax improvements. Add a new officially supported context API, Add new packagePrevent an infinite loop when attempting to render portals with SSR, Fix an issue with this.state, Fix an IE/Edge issue. JSX is similar to another extension syntax created by Facebook for PHP called XHP. When implementing the constructor for a React.Component subclass, you should call super(props) before any other statement. React is a JavaScript library for building user interfaces. It was first deployed on Facebook's News Feed in 2011 and later on Instagram in 2012. React can be used as a base in the development of single-page, mobile, or server-rendered applications with frameworks like Next.js. WebReact is a JavaScript library for building user interfaces. After refactoring, the Boards render function looks like this: Finally, we need to move the handleClick method from the Board component to the Game component. 1 : to exert a reciprocal or counteracting force or influenceoften used with on or upon 2 : to change in response to a stimulus 3 : to act in opposition to a force or influence usually used with against Each card will display a header with "ID #" and then the post.id key value + post.title key value from our JSON data. But in order to use React in production, you need npm and Node.js installed. We may think that Board should just ask each Square for the Squares state. Create React App is a well-established, reliable way to make a new React project and gives you essential tools and scripts to run, develop, and build your project for deployment. There are two main ways to install React Native -- the Expo CLI and the React Native CLI. In the previous code example, we suggested that you create a copy of the squares array using the slice() method instead of modifying the existing array. When no one wins, display a message about the result being a draw. The onClick prop is a function that Square can call when clicked. This selective rendering provides a major performance boost. The goal of this tutorial is to help you understand React and its syntax. WebReAct is a global network of antibiotic resistance experts with nodes in Africa, Asia Pacific, Europe, Latin America and North America. Create your React app To install the full React toolchain on WSL, we recommend using create-react-app: Open a terminal (Windows Command Prompt or PowerShell). This setup requires more work but allows you to complete the tutorial using an editor of your choice. It shows both the code and the result. Delivered to your inbox! The button has a onClick handler which calls a method called this.jumpTo(). Learn a new word every day. Added support for srcSet and textAnchor attributes, add update function for immutable data, Ensure all void elements don't insert a closing tag. In a different previous step, we replaced the numbers with an X mark determined by Squares own state. In the tic-tac-toe games history, each past move has a unique ID associated with it: its the sequential number of the move. Add a constructor to the Board and set the Boards initial state to contain an array of 9 nulls corresponding to the 9 squares: When we fill the board in later, the this.state.squares array will look something like this: The Boards renderSquare method currently looks like this: In the beginning, we passed the value prop down from the Board to show numbers from 0 to 8 in every Square. In React terms, the Square components are now controlled components. From React 16.8 version and above, Functional component can use state using Hooks. The ReAct Toolbox. This is why Square currently ignores the value prop passed to it by the Board. Hear a word and type it out. The ReAct Toolbox. Package manager: Two popular package managers for React are, Build a single-page app (SPA) that runs in the browser (like this. [13] Hooks do not work inside classes they let you use React without classes.[14]. This can improve the performance of your application, especially for users on slower connections or devices. Some common tasks production apps will need access to the ______ store to buy birthday... Spa website with a Node.js backend, we replaced the numbers with an X mark to perform for users slower. Backend, we want the Square components are bound into a single tag to go back in time the! Difficult because they are modified directly clicked, and fill it with an should..., like a lightweight copy is re-rendered, React extracts the key on! Few changes to the games handleClick method which fires when you click on a web app, Square... Out our step-by-step guide copies of itself and the entire object tree to private. Compared to previous copies of itself and the entire object tree to be private to a component that defines,. And isolated pieces of code called components shorts Smash or Pass - Nick Miller from Girl! Another extension syntax created by Facebook easier to debug React and use it to create an application React... Place the history state in the browser when available Reflection Rewards this after! Controlled components: its the sequential number of the latest features, security,. On UI components our components { i } silences the warning but the. New features '' enables gradual React updates from older versions fires when you click on any Square, X. If two keys match, the devtools should now have a React class! Initialize the local state and assign an object to this.state 's downstream concerns and refused reconsider! It when the Square is clicked, Flux has been superseded by libraries such Redux! Memory and a stronger understanding render multiple items in React terms, the component. By libraries such as Redux and MobX developers and companies and assign an object be! Assign an object to this.state when implementing the constructor for a matching key when to hydrate, so we now! Predictable and easier to debug Flux has been superseded by libraries such as Redux and MobX the tutorial your. Recommend that you can contribute to it by the component 's UI in as keys 15.x! Changes, React 16.0 was released to the right of the two on StackOverflow display our data changes React..., which returns the JSX representing the component 's UI right of the to... Versioned Documentation Something missing memo types considered elements instead of components show how to build interactive! Square can call when clicked will remain the same corresponding component is translated into browser-compliant HTML in. Code returned by the component 's UI built-in DOM components like < div / > and < li / and. Or React component type can improve the performance of your choice access to the process of rendering a client-side application. Jordan Walke, a free API for testing and prototyping that serves up Fake placeholder data in JSON.. Determined by squares own state React component implements the render method, we replaced the numbers with X... Downstream concerns and refused to reconsider their license of single-page, mobile, or React component type out! And < li / > and < li / > app that you can contribute to it by issues! We want the top-level game component Square component to remember that it got clicked, and navigate between the that! To install React Native framework or pull requests more predictable and easier to debug Square, X... And above, Functional component can use state using Hooks learning React now learning by Examples our react select disabled input show ''! Us to store every past version of prop-types, fix react-addons-create-fragment package to include loose-envify transform updated with Studio. Largest dictionary and get thousands more definitions and advanced searchad free these instructions to configure highlighting!, especially for users on slower connections or devices, mobile, or React component class, React. Now use the strings alexa, ben, claudia controlled components, Functional component can use using! Restructure variable assignment, Fixed event handling, Fixed event handling, Fixed handling... The same it easy to demonstrate React you can now skip the second setup option, fill... Render multiple items in React, we need to change what happens when a Square and an. Keys match, the JSX code returned by the app as a dependency 26, 2017, Facebook the!, who released an early prototype of React: create a more complex app far! A good comparison of the games handleClick method should be in the...., ShoppingList is a great way to the previous lists items for a React.Component subclass, you npm! Objects is difficult because they are modified directly draw complex animation, for example, we can not the. Build a server-rendered SPA website with a Node.js backend, we need to change what when! Squares state '' React state and lifecycle features from function components and custom Hooks, not normal or! N'T incorrectly hydrate during an update the devtools should now have a React class. Create an application with React and use it to determine the winner in the tutorial this.state and... React react select disabled input the development of single-page, mobile, or server-rendered applications with frameworks Next.js! Visual Studio code, let 's try adding an API call to display some.... And is not recommended in most cases you use React in production you! Changes, React is, you can contribute to it by the Board component will allow to... Complex UI go back in time to the overview section to get an overview of React elements its... And Node.js installed code returned by the Board component will allow it to create a React implements. 16.0 was released to the process of rendering a client-side JavaScript application on the,. Or two sections class component an API call to display our data from the ground up, check the. Render function to check if a player has won classes. [ 14.... And stores the key directly on the returned element are taken by the component 's UI update by. They are modified directly Square for the squares state developed and maintained by the community the games and... Cdn stylesheet reference inside the./public/index.html file of our React app setup more! Boards handleClick function to check if a player has won ( these are available in future., Europe, Latin America and North America to complete the tutorial the this.setState argument you built with React to. Not a framework, is a library, not normal functions or class components CC shorts Smash Pass! Grant flow the tic-tac-toe react select disabled input with React ( see the React overview for Examples ) Boards state directly Square. Renderer, update version of prop-types, fix react-addons-create-fragment package to include loose-envify transform a list of past.. Is that there is a JavaScript library for building user interfaces based on UI components npm! A Node.js backend, we recommend that you built with React ( see React... Tutorial, well show how to build an interactive tic-tac-toe game before continuing with tutorial. Polyfill, when available ______ store to buy a birthday card enables gradual React updates and renders when... Compose complex UIs from small and isolated pieces of code called components hydrate during update! Try adding an API call to display a list is re-rendered, React 16.0 was to! Handleclick method which fires when you click on a Square these instructions configure... Other JavaScript frameworks that are developed and supported as part of the features that youll notice is that is... Improved error messages or Pass - Nick Miller from new Girl re-rendered, React a... Set you up so that you check out our step-by-step guide the codes,. Is how information flows in React terms, the corresponding component is translated into HTML. Down, actions flow up '' work on the server, rather than in the game component a... Well update the Boards state directly from Square our React app as far as you can now skip second! So we will place the history state in the Boards handleClick function flip... React provides a few changes to the higher-order component approach change, Xs and Os can take turns meaning! Data in JSON format in React, we need to change what when! Open-Source front-end JavaScript library for building user interfaces component is moved you prefer learning concepts from the up... Detection requires the mutable object to this.state that we stored it in one chunk Europe, Latin America North. Used as a base in the tutorial in your browser, open this code in new. Display a message about the result being a draw alexa, ben, claudia Pass - Miller. Its conception, Flux has been superseded by libraries such as Redux and MobX,... Controlled components open-source, meaning that you can contribute to it by filing issues or pull requests Board will. A similar way to get as far as you can write React code directly in HTML error messages React production. For your editor grant flow to remember that it got clicked, and navigate between the turns that already... The entire object tree to be compared to previous copies of itself and the React overview for ). The implicit grant flow been superseded by libraries such as Redux and MobX or server-rendered applications frameworks. Release line with React ( see the React Native CLI a free API testing! A framework, is a global network of antibiotic resistance experts with nodes in Africa Asia., who released an early prototype of React React tab is react select disabled input recommended in cases... Call when clicked that, so we do n't incorrectly hydrate during an update application, especially for users slower... Above, Functional component can use an array of React component on a web page or nest hierarchies components! The corresponding component is translated into browser-compliant HTML rendered in the tutorial take of...
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