Basic requirements and preparations for JavaScript experiments
With the development of Internet technology, the importance of JavaScript is increasingly valued by people. Its emergence plays a vital role in web development and design. Therefore, learning and mastering JavaScript knowledge is crucial for web front-end developers.
Experimentation is an essential part of the learning process. This article will introduce the basic requirements and preparations required for JavaScript experiments.
Experimental requirements
1. Basic computer skills.
Before conducting JavaScript experiments, the most basic requirement is to master basic computer operation skills, such as using the mouse, managing files, browsing web pages, writing text documents, etc.
2. Basic knowledge of HTML and CSS.
Before conducting JavaScript experiments, you need to master basic HTML and CSS knowledge. Especially JavaScript-related tags in HTML, such as

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



The article discusses useEffect in React, a hook for managing side effects like data fetching and DOM manipulation in functional components. It explains usage, common side effects, and cleanup to prevent issues like memory leaks.

Article discusses connecting React components to Redux store using connect(), explaining mapStateToProps, mapDispatchToProps, and performance impacts.

The article explains useContext in React, which simplifies state management by avoiding prop drilling. It discusses benefits like centralized state and performance improvements through reduced re-renders.

Article discusses preventing default behavior in event handlers using preventDefault() method, its benefits like enhanced user experience, and potential issues like accessibility concerns.

The article discusses the advantages and disadvantages of controlled and uncontrolled components in React, focusing on aspects like predictability, performance, and use cases. It advises on factors to consider when choosing between them.

React combines JSX and HTML to improve user experience. 1) JSX embeds HTML to make development more intuitive. 2) The virtual DOM mechanism optimizes performance and reduces DOM operations. 3) Component-based management UI to improve maintainability. 4) State management and event processing enhance interactivity.

Vue 2's reactivity system struggles with direct array index setting, length modification, and object property addition/deletion. Developers can use Vue's mutation methods and Vue.set() to ensure reactivity.

The article discusses defining routes in React Router using the <Route> component, covering props like path, component, render, children, exact, and nested routing.
