Learn the Full ReactJS course, covering basic to advanced level concepts, and build a strong foundation in frontend development.
What Is Error Boundaries In React? Error Boundaries are special components in React that catch JavaScript errors anywhere in the component tree and preventing the whole app from crashing. Imagine you are building a website, and one small component breaks like a broken image, so in this case not your entire app showing error or … Read more
React Portals provide a way to render components outside the main DOM hierarchy, which is particularly useful for elements that need to overlay other elements, like modals, tooltips or dropdowns. While React generally keeps components nested within the hierarchy of their parent components, Portals allow us to bypass this hierarchy to improve control over styling … Read more
What is the Flux Architecture? Flux is an architectural pattern introduced by Facebook to manage complex data flows in JavaScript applications, particularly with React. Flux revolves around a unidirectional data flow that involves four main components: Actions, Dispatcher, Stores and Views. Flux’s unidirectional flow means that data flows in one direction: from actions to the … Read more
What Is React Flux? Flux created by the Facebook. It controls how data moves inside the JavaScript app, React, frameworks and other libraries, It is not limited to react only. Flux as having four main parts to flow. In simple term’s, whatever data movement inside the apps like User action → data changes → UI … Read more
What Are React Hooks? React Hooks are tools (functions) in React. It is allows you to add features like state, effects and shared logic to functional components. For Example: you can see an “Add To Cart” button in online shopping Apps. Different Types Of React Hooks Total 15 Hooks are available in react. In this … Read more
What Is React Context? In simple language, React Context allow you to share data (like theme, language or user info) between components without passing the props. Suppose you have a : parent component → child → grandchild → great-grandchild. You can pass values using Props without Context Provider. But, with props first your value goes … Read more
What Is Code Splitting In React? In your React Application, all code like components, libraries, dependencies and other files are combined or bundled into one big JavaScript file. when user open the app so this file sent to the browser and it cause a slower and load problem which effects on performance and user experience. … Read more
What Is a Higher-Order Component In React? A Higher-Order Components are advanced pattern in react. it is used for enhance and share functionality across multiple components. A Higher-Order Component (HOC) is a function. first that takes a component as an argument and returns a new component with additional functionality. HOCs are mainly useful for tasks … Read more
React provides developers to build tables that are not only good-looking but also smart and user-friendly. allowing developers to display, style and interact with data easily in real time. Understanding Tables in React HTML tables are build using rows and columns, where each row is created by a <tr> element, each cell by a <td> … Read more
In React, the map( ) function is a powerful tool for rendering lists of data dynamically. Imagine you have a box of toys like cars, dolls and blocks and you want to show each toy on a table. Instead of placing each toy one by one, you have a magic helper (that’s .map()) who looks … Read more