Conditional rendering in React allows you to render different UI elements or components based on certain conditions. Here are the main ways to achieve conditional rendering in React: Using JavaScript Conditional Operators if/else statements: Use if/else statements to decide what Read more…
In React, events are similar to how events work in regular DOM elements but have some key differences. Here are the main points to understand about handling events in React: Event Naming In React, event names are written in camelCase, Read more…
React Props (short for properties) are a mechanism for passing data from one component to another in React. They are used to transfer information from a parent component to its child components, making components reusable and dynamic. Immutability Props are Read more…
React state is a key concept for managing data within a component. It allows you to create interactive and dynamic user interfaces by keeping track of the changes in data over time. Here’s an in-depth look at React state: State Read more…
Arrow functions, introduced in ECMAScript 6 (ES6), provide a concise way to write function expressions in JavaScript. They are particularly useful for non-method functions. Here’s a detailed look at how arrow functions work: Syntax The syntax of an arrow function Read more…
React is a popular JavaScript library for building user interfaces, particularly single-page applications where you need a fast and interactive user experience. Here are the main components and concepts in React: Components Functional Components These are JavaScript functions that return Read more…
Your React JSX code can be placed in a separate file. Let’s render a special button instead of the default react logo like https://www.weiy.city/2024/08/react-run-your-project-and-see-the-effect/ in our web page. We design the style for the button in a separate file Button.js Then import Read more…
Introduction to JSX in React JSX, or JavaScript XML, is a syntax extension for JavaScript used in React to describe the UI structure. It allows developers to write HTML-like code within JavaScript, which gets transformed into React elements. Here’s a Read more…
We had learned that ReactDOM.render() can render some thing to web page. Now let’s try to change the default content in the root node to render a new object. Remove <App /> and add our new code to show “hello world” on the web Read more…