React listens for page scrolling events: window Invalid screen for addeventlistener

react Monitor page scrolling Events ：window.addEventListener Of scroll Invalid stay react The project needs to monitor the page scrolling height , Control the dynamic display of page style , So after searching the Internet, other cases found that ...

Vue implements one click replication

In order to better improve the experience in personal projects , A one click Copy function is required , The main implementation methods are as follows ： image.png https://img blog.csdnimg.cn/img convert/187347c39bb6423702642210b65955cd.png No plug...

Vue croppe, a Vue based image clipping tool

be based on vue Image clipping tool vue croppe install // npm install npm install save vue croppa // yarn install yarn add vue croppa Use Introducing plug-ins Two ways to quote // Global registration main.js import VueCropper from 'vue...

http_認證機制＆https加密＆TLS＆SSL＆密鑰對(公鑰＆私鑰)

文章目錄 http 認證機制 https加密 TLS SSL 密鑰對 公鑰 私鑰 http httpsTLSSSL 3 何為認證 5 HTTP 使用的認證方式 HTTP 21 BASIC認證 不常用 BASIC 32 BASIC認證的問題 BASIC 39 DIGEST 認證 不常用 DIGEST 47 DIGEST的問題 DIGEST 55 HTTP 的缺點 HTTP 64 http加密 http 75 內容的加密 79 偽裝 89 密鑰 公鑰 私鑰 103 共享密鑰加密vs 公共密鑰加密 ...

Http _ Mécanisme d'authentification, chiffrement HTTPS, TLS, SSL, paire de clés (clé publique, clé privée)

Catalogue des articles http Mécanismes d'accréditation httpsCryptage TLS SSL Paire de clés Clé publique Clé privée http httpsTLSSSL 3 Qu'est - ce que la certification 5 HTTP Mode d'authentification utilisé HTTP 21 BASICCertification Peu fréquent BAS...

Http_ Authentication mechanism & HTTPS encryption & TLS & SSL & key pair (public key & private key)

List of articles http Authentication mechanism https encryption TLS SSL Key pair Public key Private key http httpsTLSSSL 3 What is certification 5 HTTP The authentication method used HTTP 21 BASIC authentication Not commonly used B...

Vue custom audio style and operation panel

brief introduction because audio The label native style cannot meet the needs of the project , Need custom styles , The technology used in the project is vue, Will customize audio Encapsulated as a component , Can be referenced within other compo...

Vue project carries out front-end embedding and records the page dwell time

Data embedding points are not common in current project development , Especially in e-commerce companies , Statistical analysis of data is particularly important , Data analysis can improve the purchasing experience of users , Convenient operation a...

HTTP client feign

Feign It's a declarative one http client , Official address ： https://github.com/OpenFeign/feign https://github.com/OpenFeign/feign 'https://github.com/OpenFeign/feign' The function is to help us achieve elegance http Send request , replace RestTemp...

JMeter output HTML report

Catalog One 、windows Next html Report generation main toc 1、 Related installation and download 1%E3%80%81%E7%9B%B8%E5%85%B3%E5%AE%89%E8%A3%85%E5%92%8C%E4%B8%8B%E8%BD%BD （1）java install （ Ignore ） %EF%BC%881%EF%BC%89java%E5%AE%89%E8%A3%85%EF%BC%...

Vue custom instructions, mixin, extensions, provide & inject

One 、 Custom instruction 1.1 Global instructions Vue.directive ' Instruction name ', directiveOptions 1.2 Local command new Vue { ..., directives: { ' Instruction name ': directiveOptions } } 1.3 directiveOptions Properties of bind el, info, ...

Vue3 initial experience (1)

1、Vite Simple operation install yarn global add create vite [email protected] Create project Document commands npm init vite app Project name yarn create vite app Project name Equivalent to After global installation cva Project name or n...

Ajax and polling

1. Traditional form submission and AJAX Compare 1.1 Form Forms form action='/form.html' method='post' input type='text' name='username' placeholder='username' / input type='password' name='password' placeholder='password' / input type='submit' / ...

Quick view of JavaScript strings, arrays, objects, mathapi

1、 character string 1.1 Get the corresponding subscript value of the string const str = 'abc123ABC' console.log str 1 // The output is ：b console.log str.chatAt 1 // The output is ：b 1.2 Gets the length of the string const str = '123456' cons...

Vue simplified real DOM to virtual DOM

1、 General train of thought obtain / app The root node , establish VNode Class is used to create virtual DOM, establish vDom function , Used to generate virtual DOM object . According to the nodeType Judgment type , To the truth DOM To create a ...

Understand defineproperty and implement a simple Vue data response

1、 Preface Code address related to this article ： https://github.com/layouwen/blog demo defineproperty https://github.com/layouwen/blog demo defineproperty If this article is helpful to you , Please don't be stingy with your Start Oh ~ 2、 Objec...

Simply understand the meaning of common HTTP status codes

HTTP Status code Under development in Japan , The front end needs to request data through the back-end interface . There is a status code in the response that identifies the status of the resource . Although the status code can be modified at wil...

React uses context for component communication

1、 Introduce The previous article introduced the use of Props Pass parameters and function references to achieve the effect of component communication . This use context To achieve this effect . 2、 Create components establish Grandpa 、 Father 、...

Simply implement vuerouter to understand its implementation principle

1、 Preface This article will take you step by step to realize VueRouter Implementation principle of , You need to be right before reading vue Have a basic understanding of the use of , Have studied class Understand its basic concepts . Realize th...

Simple implementation of vuex understand its implementation principle

1、 Preface This article will take you step by step to realize Vuex The main function of , You need to be right before reading vue Have a basic understanding of the use of , Have studied class Understand its basic concepts . Let's start now Fina...

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