Programming VIP

1, Background: why does the page get stuck? 1.1 long waiting time (performance) The package / third-party script of the project itself is relatively large.JavaScript execution blocks page loading.Pictures are large and numerous. Especially for the white screen time in the first screen resource loading, the longer the user waits, and the sl ...

HTML5 final assignment: website design in hometown Guangzhou - good code quality - final assignment of HTML+CSS+JavaScript web page production in hometown Guangzhou (5 pages) Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance, animation, stars, c ...

Implement the basic ToDolist with react The last time I learned how to build a basic react framework, today I'll try to write a ToDolist to exercise my logic ability First, we should build a basic framework and fill in two sets of default data import React, { Component } from 'react'; class App extends Component { constructor(props) { ...

In essence, webpack is a static module bundler for modern JavaScript applications. When webpack processes an application, it recursively builds a dependency graph that contains each module required by the application, and then packages all these modules into one or more bundle s. install md mypack //New folder cd mypack // Enter your projec ...

🎙️ preface According to legend, react 17 has a very powerful function, that is, react hooks. In fact, react hooks is a bit similar to vue3's composition API. They all appear to improve development efficiency. Then, in the following article, we will start from 0 to 1 to show you about react hooks and some common API s. No more nonsense, ...

1, What is react? React is a front-end programming framework. It is a javascript library used to build user interface. It originated from the internal project of Facebook. After being open-source, react has quickly become the most powerful tool for front-end engineers because of its convenient operation. React has high performance and very sim ...

preface    basic instructions for Vue's tools (Vue CLI) and core plug-in (Vue Router). Vue CLI Official installation: Portal First install the scaffold globally. npm install -g @vue/cli # OR yarn global add @vue/cli Detect the installed version: vue --version or vue -V Create a project: Vue create my project or vue ui is cre ...

Demand scenario The mobile terminal H5 generates pictures and posters for sharing, which is a common interaction method. The generated posters often contain user's personalized information, such as avatar, nickname and so on. In order to realize this interaction, we explore a feasible implementation scheme. Scheme selection According to ...

Database front-end and back-end interaction from back-end to front-end tutorial II preface It is divided into two blogs, taking the student management system as an example to realize the front-end and back-end interaction (it is not designed here, but focuses on the operation process!) Some software involved in the following will be intro ...

1. resolve parameter of promise 1.1 common values or objects When the parameter of the resolve method is a normal value or object, the Promise state changes directly. new Promise((resolve, reject) => { // pending -> fulfilled // Resolve (basic data type or common object) resolve('promise'); // resolve({name: 'fct'}); }).then(re ...