Or you can easily copy the array, and modify this: setObject((prev) => { const newObject = {...prev} newObject.foo.bar = 'bar'; return newObject; }); Conclusion Thanks for reading! If you’d like to read more, check out our article covering useState in React, or useReducer, a...
How to Map a Nested Array in React How To Hide API Keys in React Applications? 3 Cache Strategies to provide a better UX in your… How To Use Images in NextJS Applications? How To Use Environment Variables in Reactjs Applications?👋 Hey, I'm Dawid Budaszewski Hello! I'm Dawid. I'...
Use the toString() Method to Convert Array to String in JavaScript Join the Elements of the Array Using .join() Method in JavaScript Use JSON.stringify() to Convert Array to String in JavaScript Use Type Coercing to Convert Array to String in JavaScript The arrays are the most common...
Use thespreadOperator to Pass an Array to a Function in JavaScript varnames=['Mehvish','John','Henry','Thomas'];displayName(...names);functiondisplayName(){for(vari=0;i<names.length;i++){console.log(names[i]);}} Output: "Mehvish""John""Henry""Thomas" ...
In index.js, we'll be bringing in a few things. createStore, to create the store that will maintain the Redux state applyMiddleware, to be able to use middleware, in this case thunk Provider, to wrap the entire application in Redux thunk, a middleware that allows us to make asynchronous ...
Now, delete the lineimport logo from './logo.svgand everything after the return statement in the function. Change it to returnnull. The final code will look like this: jsx-tutorial/src/App.js importReactfrom'react';import'./App.css';functionApp(){returnnull;}exportdefaultApp; ...
When and why to use the JavaScript map() function Note The JavaScriptmap()method is not the same as theJavaScriptMapobject, which stores an ordered sequence of key-value pairs. What is the JavaScript map() Function? The JavaScriptmap()function is a built-in method belonging to the Arrayobj...
How to Use Callback Hook Function in React? The first step is to import it from React. import React, { useState, useCallback } from 'react'; </> Copy Code We need to call useCallback which accepts a callback function as its first parameter and then any of the dependencies as second...
In my last two articles, “Using Ajax and REST APIs in .NET 5” and "Build a CRUD Page Using JavaScript and the XMLHttpRequest Object", I introduced you to using the XMLHttpRequest object to make Web API calls to a .NET 5 Web server. Whether you use jQuery, Angular, React, Vue,...
Modern JavaScript has many new features that make it easy to write code in a simple and structured manner. One of the handy modern features available in ES6+ is array and object destructuring. JavaScript frameworks like React.js and Angular encourage the use of this technique. So it’s essent...