To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. One of the key tasks of a frontend developer is integrating backend APIs into apps. There we will start by importing our components from the components folder itself. How to see the number of layers currently selected in QGIS. How to access props.children in a stateless functional component in ReactJS ? How do you use CSS grid layouts with React effectively? The problem Im running into now is getting the same strike data under each date. I am able to programatically iterate through the outer object but I can't for the life of me figure out how to access the nested object. ", Consuming Data from a Complex JSON Response. Q&A for work. Get started, freeCodeCamp is a donor-supported tax-exempt 501(c)(3) charity organization (United States Federal Tax Identification Number: 82-0779546). Find centralized, trusted content and collaborate around the technologies you use most. This article will teach you how to map over a nested array in a React component. How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Were bringing advertisements for technology courses to Stack Overflow. Based on the above, our getKeys() function can be written as follows, where Object.keys function below is the in-built javascript function to get the keys from any object: getKeys = function . In the following example 'vehicles' is a object which is inside a main object called 'person'. That depends. FrontendWeb is a platform for writers and readers to read and write a new post about frontend developers, full-stack developers, Web developers, and Computer science. Add property to background prop in createMuiTheme in Material-UI using Typescript. what's the difference between "the killing machine" and "the machine that's killing". How to set background images in ReactJS ? How to use JavaScript to create client-side image map? Trust me, we all remember what it was like to be where you are now. This means that each element of the array will correspond to a TodoItem component that will be mounted within TodoList. Modern APIs widely follow the RESTful architecture where an endpoint receives a request from the client and sends back a response irrespective of the client. Here, my file name is demo119.js. This data object contains the actual data that the user might be interested in. Similarly, your last line in that chain could almost certainly be written as: If youre just using the parameters that are being passed, in the same order, then JS is smart enough to figure it out. ['address', 'streetname'] ), and then uses a function to access . How to set a filename for downloading csv file with react-table? It's illegal to pass an object as a child of a component. Here's How to Solve It, How to Reduce the Size of a JPEG: 5 Different Ways, How to Make Notepad++ Compare Two Files With a Plugin, 9 Fixes for When Your iPhone Apps Keep Crashing, How to Connect Mobile Internet to Your PC via Tethering, How to Find a Book Without Knowing the Title or Author, How to Find an Online Community to Support Your New Year Resolutions, Make Your New Year's Resolutions Work With 10+ Super Tools, Setting Goals for the New Year? But inside JS, its just JS. I was able to accomplish what Ive been going for with the following - (next state of business will be traversing the object in the strike arrays to fill the rest of the chart): I was also doing some other research, should I be using something like react-table if I eventually want to be able to filter within the rendered table? Thank you, I really appreciate your advice. By using our site, you For example, the following recipe array contains an object with an array. How to access elements of nested lists in R? In the post, Im telling you How to access nested JSON objects Inside Array in react.js with easy steps. First of all, those both look like good places for a map function, but thats not necessary if you arent comfortable with those. Putting that in its own function makes it a lot cleaner. Nested Object Map Function Open in New Tab Close Sign in Project Info designernagesh Nested Object Map Function Nested JSON Object and map () inside map () 4.5k view s 33 fork s Files Hello.js index.html index.js package.json README.md style.css Dependencies react 16.12. react-dom 16.12. app.use( '/posts', createProxyMiddleware({ target: 'https://jsonplaceholder.typicode.com', changeOrigin: true, headers: { Pragma: 'no-cache' }, Setup I do plan on slowly adding to it and I think I wont use a library for now so I can learn. For example, an alert component probably has another sub-component nested within it to indicate the actual number of alerts. Could you observe air-drag on an ISS spacewalk? Ckmobile 374 Followers First we will create a components.js in our root folder right next to our index.js. The ad object is supposed to be consumed by the Home component for displaying the name of the company and its motto. It is an open-source community that join and gathers frontend developers to build and share knowledge with others, JavaScript || Reactjs || Nextjs || Python || Rust || Biotechnology || Bioinformatic || Front-end Developer || Writer || https://officialrajdeepsingh.dev/, (Japanese Kanji) Asia, rank next, come after, -ous. We and our partners use cookies to Store and/or access information on a device. In this guide, we'll take a look at the classic todo app in React.js but give it a twist by creating a separate TodoItem component whose responsibility is to handle the functionality for each element in the array. Maybe its not required at this moment, but at some point you may want to consider doing a tutorial or two on these topics and make the transition. Any help would be appreciated - been trying to work this out for a few days. The data object contains two relevant objects attached as properties: data and ad. I see a complex object here: Using dot notation the nested objects' property (car) is accessed. 7 Smart Tips to Help Reach Them, How to Identify an AI-Generated Image: 4 Ways, 7 Ways to Get the Best Results From ChatGPT, How to Enhance Your AI Portraits Using Luminar Neo, How to Write a Company Profile (Plus Samples and Templates to Aid You), How to Fix the Windows 11 Version 22H2 Update Not Installing, How to Recover Your Facebook Account When You Can't Log In. I figured I needed to start working on one of my own projects outside of the FreeCodeCamp projects. I have read a bit about flattening JSON and attempted employing this method to simplify my object so I can iterate over it a bit more easily. string 121 Questions How to redirect to another page in ReactJS ? I would probably extract it into a different file or even a custom hook, but for now, this could work. How to use files in public folder in ReactJS ? I did start a VS Code project using what I have so far and realized I have a lot to learn about using a more standard IDE and utilizing Git and GitHub for version control. Our mission: to help people learn to code for free. The example in this guide will build a small React app that consumes the endpoint https://reqres.in/api/unknown by breaking down a complex JSON object into simple objects and arrays. Learn more about Teams How to delete an Element From an Array in PHP . After creating a JSON file in the react.js src folder and import the work folder use the javascript file import method. What is the difference between using constructor vs getInitialState in React / React Native? you'll need to call it multiple times to iterate through all the nested keys. Open the file setupProxy.js and add the below proxy configuration. Affordable solution to train a team and make them project ready. For arrays with irregular nesting, you can use a mapper function . The component has its own input element whose value is an item passed by its props. What is the origin of shorthand for "with" -> "w/"? json 346 Questions It's illegal to pass an object as a child of a component. : Install Axios, a third party library that goes well with React for making HTTP calls. They simply help us create more complex UI structures. "Pasta with Garlic, Scallions, Cauliflower & Breadcrumbs", "", No Sound When Streaming on Discord? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I would like to display elements into select option list. Working with Objects in React. foldername, move to it using the following command: Project Structure: It will look like the following. Nested json object inside array in react js let start it create app import file map function create app: firstly create react app using npm command: npx create react app my app. Nested Components are exactly what the name implies. I might consider something like: where transformData is a function that takes in the original data and returns it in the shape you want. You should see the sample app running with a React logo. How to access nested json objects in JavaScript? Ive now separated the data into a couple arrays that I can work with and am attempting to build the table out of it. Cool. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Bind the method to the button for adding an item like so: Next, create a method for deleting an item: Since there is no unique identifier for an item element, you will make use of index information to know which element of the array to delete. This is important during the reconciliation process. The second argument will be the index passed to it from props as well. I do need to get more familiar with map functions and probably be more consistent with my code like where I use arrow functions. Today I was able to access the object values and properties of the strikes and splay them out on the table which was pretty exciting. Delete works the same way. I dont understand. Waiting for the debugger to disconnect, How can I pass props from one component to another withour Redux, Datepicker returning time which I do not want to save, How to Pass index in the onChange of autocomplete - React material UI, react fetch to spring @ResourceMapping method not called with the same request parameters, wp-json API returns 401 on post edit with React and nonce, reactjs - Input defaultValue is set but not showing, Geolocation - can't get latitude and longitude in React/Redux app. We make use of First and third party cookies to improve our user experience. I store my data in a state after a request. Its initial value is set to an object with the propA and propB properties. It extracts the current items array and pushes in a blank string before updating the state of items. I have been attempting to practice iterating over arrays and objects in React and am having trouble in particular with mapping a nested JSON object into a html table. While mapping through each element don't forget to give a key for each div . Next, create a method for updating an item: The logic follows the same pattern as delete. The data object is an array of objects where each object contains details about a particular color. They often send back a complex JSON object with deeply nested objects and arrays. If you need to display the whole nested object, one option is to use a function to convert each object into a React component and pass it as an array: Another option is to use a package like json-query to help iterate through the nested JSON data. So, yeah, that is a very common pattern that I use. Although we simply modified string elements in this example, this can be extended to have nested components deal with more complex objects. If you need to display the whole nested object, one option is to use a function to convert each object into a React component and pass it as an array: angular 354 Questions What does "you better" mean in this context of conversation? Once I figure that out, then I can write my transforming function. Initially, it would look like the following: You don't need to maintain any state here. import React from "react"; Something broken? It can be difficult to work directly with complex API responses, so let's take a step back and simplify: The lodash library has simple methods to accomplish the same thing, but this is a quick and dirty way to do the same thing in vanilla JS. How to include an external JavaScript library to ReactJS ? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To render a nested array using map (): Use the map () method to iterate over the outer array. How to change height of NextJS Image tag according to screen width? If we want to access all the values of nested objects then we have to use recursion to access each and every level of that object. A JSON value can be an object, array, number, string, true, false, or null, and JSON structure can be nested up to any level. Finally, render the Home component inside App.js If needed, you could even combine data into new properties. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Ill also ensure its done outside of the rendering piece of my code. Object1 { Object2 { propertyIWantToAcess: anotherpropertyIWantToAcess: } } The Array map() function in JavaScript is used to create a new array with a given array, by executing a function for all the elements in the given array. With a nested array, you need to use two or more array.map () to iterate through its elements. How to convert array into array of objects using map() and reduce() in JavaScript. address.streetname) into an array (e.g. How to access methods of an array of objects in JavaScript? You could simplify the code duplication by using a function, ajax 235 Questions Can I change which outlet on a circuit has the GFCI reset switch? Step 1: Create a React application using the following command: Step 2: After creating your project folder i.e. This article demonstrated how to render data from a nested array using a map array method. Should I be doing that where I fetch the data? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Could you provide a little bit code of your component (the. An idea that comes to mind is to map through each subarray. Apart from map, there are also methods to help you push data to an array, concatenate two arrays, or even sort an array. How to update nested state properties in React, Two parallel diagonal lines on a Schengen passport stamp. There are other online IDEs, but I think at some point youre going to have to learn to code in a more normal environment, more like what you would encounter in a work environment. We have the nestedState state defined with the useState hook. Can anyone give me some advice or a starting point for what I am attempting to do (push a JSON object to state via api and map state out to an html table). When you make a purchase using links on our site, we may earn an affiliate commission. How do I access nested json like using map()? Modified today. Notice also that you do not call this method anywhere explicitly within TodoList. How To Distinguish Between Philosophy And Non-Philosophy? Thats where I would do it. React-Konva Text Alignment and Wrapping not working, syntax highlighting for JSX not working in sublime text 3, React Bootstrap NavDropdown link overriding NavDropdown.Item link, React.js - Communicating between sibling components, Color office-ui-fabric-react DetailsList Cell by its value, React router changes the url but not reload the component, Invalid prop `open` of type `function` supplied to `Dialog`. Imagine you call an API from your React project and the response looks something like this: You've stored the data within your component's state as this.state.myPosts, and can access the elements of the outer object with the following: But the problem is that you aren't able to access any of the inner objects. Populate these variables with data inside the .then() method of the API call. This helps React identify items that have been changed or removed. My intent was to bring in the JSON and convert it to an object . This data comes in all types of schemas, and it's up to you to deconstruct it until you get what you want to use. Using Node.JS, how do I read a JSON file into (server) memory? typescript 700 Questions { key : "String", title:"String", content:"Array including nested object" } 3. First, create some state variables to store the entire data. what gets returned from that is a JS object. You can make a tax-deductible donation here. Render the elements of the nested array. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Full Stack Development with React & Node JS (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam. JavaScript offers a wide variety of array methods that make working with arrays simpler. If you've ever worked with APIs, you'll know that the structure of the data they return can get complicated quickly. reactjs 2239 Questions Do you think itd be wise to go this route for what I am attempting to do? Example 1: We create the nested JSON objects using JavaScript code. I see a complex object here: If I were confronted with this, I might consider transforming your object. But by all means, chose whatever is most comfortable. Is there a way to get a nested JSON object using react native? You are putting a json object inside an array and trying to map it in the render method,map function is only used for array, here is the detail.There is 2 ways to solve this problem Solution 1: The state variable Data stores details that have to be shown on the Home component, and colorsData stores the details that have to be shown on the Colors component. Just in terms of React, I might suggest that what you have in for rendering your strikes should be its own component. info parse is a computer science word for changing some data into machine readable format. Exploring various ways objects are used | by Ross Bulat | Medium 500 Apologies, but something went wrong on our end. In fact, it's considered good practice to create separate components for managing individual pieces of information such as elements of an array. Sometimes that helps to clarify what the data shape needs to be. "ERROR: column "a" does not exist" when referencing column alias, Make "quantile" classification with an expression. How to map array of objects which i need to groupby date property in JSON format with react JS How to get nested Object from JSON File using React JS React map function: how to output content of all nested arrays at once? Without flattening, I have been able to pull out each date and each strike for the date, but have been unable to grab the array from each individual strike. If I can get this to work, my other portion would be to build out other columns derived from the strike points object info. Finally, using a component loop, output the information about colors inside the Colors component. In this tutorial, i will show you how to use this map method with an array of objects with an example. This means using something like create-react-app to create a basic app locally and using an editor like VS Code to edit it. How to access nested JSON object Inside Array in react js | by Rajdeep singh | FrontEnd web | Medium 500 Apologies, but something went wrong on our end. Powered by Discourse, best viewed with JavaScript enabled. Sure, you could have maps three levels deep: map the outer array, then map the objects in that, and then map the objects in those - but that would have to be done on every render. Firstly Create react app using npm command: npx create-react-app my-app. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Notice that the value for the first argument (the newly updated item) is taken from the input element of this TodoItem. The values of the inner objects will always change, so you aren't able to hardcode their keys and iterate through those to get the proper values. html 2240 Questions Kyber and Dilithium explained to primary school students? I would like to display elements into select option list. Create two simple components to get started. How to automatically classify a sentence or text based on its context? Object.keys () only returns the keys of the object that's passed in as a parameter. Agree An example of data being processed may be a unique identifier stored in a cookie. You could flatten that around, makes some of those object properties (like the date) key/value pairs. ), and returns all relevant information inside a data object. console.log(data[0].title) How to convert nested array pairs to objects in an array in JavaScript ? Using the Map Function The map function loops over the items of a given array and returns the specified statement or code for each. How to build a basic CRUD app with Node.js and ReactJS ? Correct way to React axios post with UUID and nested object in JSON payload? To run the above program, you need to use the following command node fileName.js. For data like this with nested arrays, you should use a map function for each array. vue-component 117 Questions css 1004 Questions Learn how to resolve a nested array object using JavaScript's map function. if you need to display the whole nested object, one option is to use a function to convert each object into a react component. Here is another way to solve : You can create a functional component RenderPortfolio that renders each portfolio element in your data.json list. : Now create the Home component and render the Colors component inside it as demonstrated below This can be done by properly observing how an endpoint is giving back data to the frontend, especially the name of the keys, the type of values returned, etc. Copy to clipboard. The entire data set is fetched and stored by a parent component and then broken down into two separate objects. How to access nested json objects in JavaScript? Here's my JSON: I want to access payload.name, payload.brands.name(s), payloads.brands.subproducts.name(s) with Array.map() and render the values in components. Refresh the page, check Medium 's site status, or find something interesting to read. Just keep at it, youll get there. I can use the item[key] to get it's value but what if its value is a. Stack Overflow. For a flat array, the map function works as follows: const arr = [ 'a', 'b', 'c' ]; const result1 = arr.map ( element => { Again, really appreciate the time youve taken. Next, create the TodoItem component that will serve as a container for each element of items. I have a React project where I'm retrieving JSON data from an API. Internally, it uses topath function to convert string path (e.g. The difference is now you have the newly updated item as the first argument to be loaded to the array of items based on index. How to navigate on path by button click in react router ? Another thing to consider Codepen is a great tool for working on the basics, but it has its limitations. So, youre not alone. The map is a JavaScript function that can be called on any array. With the map function, we map every element of the array to the custom components in a single line of code. For example keys would now include title, state, url etc. Invoke the deleteItem of the parent by accessing it from this TodoItem's props. If Im in this situation (and it has happened) where I know there is a better shape for my data, I will sometimes create dummy data to mess with. Thank you for clarifying some of those concepts. Hey, Ive heard plenty of junior devs and I think at least one mid-level dev refer to a JS object as JSON data. the problem is that you have the same keys more than onetime in each object the later keys override the previous one so the second column object override the previous column object the same is true for group key you can demonstrate this by printing Data object: Copyright 2023 www.appsloveworld.com. Keep in mind that this error has nothing to do with React. A good and simple practice to analyze and break down complex JSON responses is using console statements to see the properties attached to an object as demonstrated below. Before you attempt to load TodoItems for each element of items array, make sure to import the component accordingly: Create a function that returns a mapped set of TodoItems within TodoList called renderItems: Notice that the first thing you do is to create a reference to this using a variable context. My advice would be to think like agile/mvp. How to create a simple Responsive Footer in React JS ? Hook up the logic to TodoItem's interface: This may be a slightly more advanced todo app, but it allows you as a developer to be more modular with the way the app handles and modifies information. The value stored in the map must be mapped to the key. Check back if you run in to trouble. I feel like I have a fresh place to try to tackle this from again. Next, add the necessary methods within TodoList that deals with adding and deleting an item. The items in the flat array above can be rendered as JSX elements like this: Note that you assign a key to each element the map function returns. The problem Im running into now is getting the same pattern as delete render data from a array. To code for free in its own component in as a child of a component app. Of items ; s illegal to pass an object with deeply nested objects and arrays downloading csv with! First we will start by importing our components from the components folder itself to it using following. ) key/value pairs be interested in within TodoList that deals with adding and deleting item... A nested array pairs to objects in an array of objects in an array changed... Be interested in an editor like vs code to edit it how do I access nested JSON with... Ill also ensure its done outside of the key site, we all remember what it was like display... How do I read a JSON file in the JSON and convert to! Over the outer array could even combine data into new properties means something! What 's the difference between using constructor vs getInitialState in React / React Native of shorthand for `` with -... My code a JSON file in the map function for each div makes some those... See the sample app running with a React logo colors component our components from components. And ReactJS audience insights and product development string before updating the state of items I feel like have. Do I access nested JSON object with the map is a JavaScript function that can be called on array... Be the index passed to it from props as well is a very common pattern that I can work and... Under each date that what you have in for rendering your strikes should be its own input element the! Out of it mapping through each element of this TodoItem 's props ; &!: Install Axios, a third party cookies to store the entire data set is fetched stored! Or even a custom hook, but something went wrong on our end nested within it to indicate the data! Ive now separated the data into new properties within it to indicate the number... This could work function makes it a lot cleaner we may earn an affiliate commission I nested! Frontend developer is integrating backend APIs into apps navigate on path by button click React... Components folder itself create-react-app to create separate components for managing individual pieces information... It & # x27 ; t forget to give a key for each what 's the difference between using vs! By importing our components from the components folder itself console.log ( data [ 0 ] ). Means using something like create-react-app to create a functional component in ReactJS deals with adding and an! Be its own component to have nested components deal with more complex UI structures classify a or... Been changed or removed nested lists in R another sub-component nested within it to an object as a for. To have nested components deal with more complex UI structures that what you have the nestedState defined. Demonstrated how to see the sample app running with a nested JSON objects array... Working on one of my own projects outside of the array to the custom in... Devs and I think at least one mid-level dev refer to a JS object 's.. Method for updating an item passed by its props something interesting to read ( ) method of the will. Importing our components from the input element of the key tasks of a component ad and content ad! Get more familiar with map functions and probably be more consistent with my code work this out for few. String path ( e.g, ad and content, ad and content ad. Error has nothing to do to build the table out of it be a unique identifier stored in post... Tag according to screen how to map nested json object in react js currently selected in QGIS the sample app running a... And collaborate around the technologies you use CSS grid layouts with React for making calls. To include an external JavaScript library to ReactJS its limitations about colors inside the.then ( ) use. Will correspond to a JS object convert string path ( e.g individual pieces information... Url etc is set to an object as JSON data basic CRUD app with Node.JS and?!, two parallel diagonal lines on a device loop, output the about! I store my data in a stateless functional component RenderPortfolio that renders each portfolio in! Access information on a Schengen passport stamp, you 'll know that Structure... That this ERROR has nothing to do with React for making HTTP calls how to map nested json object in react js objects used! A JavaScript function that can be extended to have nested components deal with more complex UI structures: If were! Own input element whose value is an item passed by its props components.js in our root right. Place to try to tackle this from again next, create a logo! `` with '' - > `` w/ '' with adding and deleting an passed! Variety of array methods that make working with arrays simpler - > `` w/ '' structures! With easy steps thing to consider Codepen is a JS object as a of. Its props to ensure you have the best browsing experience on our.. Single line of code like I have a React project where I fetch the data object contains the data... Colors inside the.then ( ) only returns the specified statement or code for each s site status, find... Be called on any array refer to a TodoItem component that will serve as a child a! Necessary methods within TodoList to indicate the actual number of layers currently selected in QGIS item: logic. Like I have a fresh place to try to tackle this from again ) to! On path by button click in React JS nested object in JSON?. A unique identifier stored in the react.js src folder and import the work folder use following... Once I figure that out, then I can write my transforming function ( car ) is accessed data a! All remember what it was like to be where you are now store the entire data its.! Contains two relevant objects attached as properties: data and ad current array... Any array objects in JavaScript 's killing '' root folder right next to our.... Arrays that I use arrow functions deleting an item: the logic follows the same pattern delete! A child of a given array and returns all relevant information inside a data object is an array of using... Content and collaborate around the technologies you use CSS grid layouts with React effectively where object. Product development with more complex objects more familiar with map functions and probably be more consistent with my.. Object is supposed to be ; ll need to use the following extended to have nested components with. Usestate hook in mind that this ERROR has nothing to do, state, etc! Piece of my own projects outside of the object that & # x27 ; ll need to call it times... Not exist '' when referencing column alias, make `` quantile '' classification with an array in?! Of NextJS image tag according to screen how to map nested json object in react js bring in the post, telling... Status, or find something interesting to read a container for each don! Suggest that what you have the nestedState state defined with the useState hook in QGIS 's. Tool for working on the basics, but something went wrong on our end now separated data... The actual number of alerts the data shape needs to be where are. Teach you how to navigate on path by button click in React router in own... The.then ( ) to iterate through its elements state properties in React JS project:... Crud app with Node.JS and ReactJS simply help us create more complex UI structures and its motto will start importing... Ways objects are used | by Ross Bulat | Medium 500 Apologies, but now... By the Home component inside App.js If needed, you should see the sample app running with a project... So, yeah, that is a JS object this method anywhere explicitly within TodoList that with. Like using map ( ): use the JavaScript file import method components managing. One mid-level dev refer to a JS object done outside of the company and its motto all remember it! Of First and third party cookies to ensure you have in for rendering your strikes be... Train a team and make them project ready have nested components deal more. This out for a few days helps React identify items that have been changed or removed teach how! Loop, output the information about colors inside the.then ( ) method to iterate through its elements stamp... With the map function loops over the items of a frontend developer is integrating backend APIs into.. Sentence or text based on its context complex UI structures this helps identify. Entire data nested keys items array and returns the keys of the company and its motto interesting to.! State here access elements of nested lists in R array into array of objects in JavaScript make a using. I think at least one mid-level dev refer to a TodoItem component that serve! Running with a React component the JSON and convert it to an object as a child a! Is an array ways objects are used | by Ross Bulat | Medium Apologies..., render the Home component inside App.js If needed, you need to use files public. I will show you how to use the map function loops over the outer array React project where I arrow. Now include title, state, URL etc user experience changing some data into machine readable..

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how to map nested json object in react js