I’m working with some JSON data in a React app using Axios and I am having trouble iterating through an object nested in an array. React iterate through object nested in array, JSON data in a React app using Axios and I am having trouble iterating through an object nested in an array. Note: we used obj.hasOwnProperty(key) method, to make sure that property belongs to that object because for in loop also iterates over an object prototype chain.. Object.keys. When you run this code, you’ll be given a warning that a key should be provided for list items. A “key” is a special string attribute you need to … The page involves multiple sections – some nested in each other. Is it common to just say the hell with it and use a query language/package for this? React iterate through object nested in array, JSON data in a React app using Axios and I am having trouble iterating through an object nested in an array. So i need a proper looping structure in javascript that can be generic to handle it. We are trying to create a tree view navigation using PnP react TreeView control for SharePoint document library using SPFx web part. Object.keys() only returns the keys of the object that's passed in as a parameter. I think some variation of .map or Object.keys would work but I am stuck. An example section is shown below: One that I might make a post about someday – but first I want to describe how to loop through multiple nested components in React: So the app is pretty straight forward, I grab some JSON data from an AJAX call, and display it in the page. I’ve had this issue for MONTHS and I still can’t figure out a solution that works. There seems to be no method to the madness. Can anyone explain to me how to iterate through deeply nested objects and arrays in React? Iterate Through Nested Object in React.js, Iterate Through Nested Object in React.js Another option is to use a package like json-query to help iterate through the nested JSON data. I think some variation of .map or In React, the ?map? It would be best if the loop stores product name in one var and it's version in another var as there are some checking i need to on product name. So go ahead and add this import in your src/Stocks.js file. React, looping over an object. Iterate nested array of JSON objects and append children to a particular object using jQuery/React. The Object.keys() method was introduced in ES6 to make it easier to iterate over objects. React allows using named imports, and we can leverage that to load JSON data. Here's a modified version of the render function above using json-query: Iterate through nested object in React.js - JavaScript, I have a React project where I'm retrieving JSON data from an API. This is hands down the most difficult thing I’ve encountered in web dev/computer science. We are are getting and setting initial data to the component's state by making an REST call to get first level folders. Now that your component is ready, you can get the JSON data from the src/data.js file and render it inside . The Object.keys() method takes the object as an argument and returns the array with given object keys.. By chaining the Object.keys method with forEach method we can access the key, value pairs of the object. Inside the return of the TinTinTile class, I use that object to display all data. Before ES6, the only way to loop through an object was the for...in loop. Another option is to use a package like json-query to help iterate through the nested JSON data. Loop through nested JSON object React. If the json structure is wrong or a better json structure can be written the please suggest a right/better structure. Later in ES8, two new methods were added, Object.entries() and Object.values(). in the post, I’m telling you How to access nested JSON object Inside Array in react.js with easy step. method used to traverse and display a list of similar objects of a component. Tagged with react, loop, json. JSON (JavaScript Object Notation… I’ve made a Sta… Hey, Rajdeep Singh here.