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Author: Chimezie Enyinnaya Translator: front end Xiaozhi Source: blog There are dreams and dry goods. Wechat search [Daqian world] pays attention to this bowl washing wisdom who is still washing dishes in the early morning. This article GitHub https://github.com/qq449245884/xiaozhi It has been included. There are complete test sites, ma ...

1, What is readline readline is node JS implements the encapsulated module of standard input and output. Through this module, we can read the data stream line by line. The readline module provides an interface for reading data from a readable stream (such as process.stdin) one line at a time. You can access it in the following ways: con ...

Promise concept Promise is a solution for asynchronous programming, which is more reasonable and powerful than traditional solutions - callback functions and events. The Promise is simply a container that holds the results of an event (usually an asynchronous operation) that will not end in the future. characteristic The state of the objec ...

Author: KUMAR HARSH Translator: front end Xiaozhi Source: blog There are dreams and dry goods. Wechat search [Daqian world] pays attention to this bowl washing wisdom who is still washing dishes in the early morning. This article GitHub https://github.com/qq449245884/xiaozhi It has been included. There are complete test sites, materials ...

The role of Jason Era of front and rear end separation: The backend deploys the backend, provides interfaces, and provides data: Json The front end is deployed independently and is responsible for rendering the data of the back end: 1. What is Jason JSON (JavaScript object notation) is a lightweight data exchange format, which is widely ...

catalogue 1. Pull up loading 2. Pull down refresh 3. Synchronous use of pull-up loading and pull-down refresh 4.props API  1. Pull up loading <van-list v-model="loading" :finished="finished" finished-text="No more" @load="onLoad" > <van-cell v-for="item in list" :key="item" :title="item" /> </van-list> e ...

JavaScript operation DOM Update DOM After we get a DOM node, we can update it. You can directly modify the text of a node in two ways: One is to modify the innerHTML attribute. This method is very powerful. It can not only modify the text content of a DOM node, but also directly modify the subtree inside the DOM node through HTML fragments: ...

Chapter 1: example demonstration ① Pyecarts version 1.9.1 installation and data preparation First, you need to install the pyecarts library. Just PIP install pyecarts directly. The new version does not need to be installed separately. If it is version 0.5, it needs to be installed separately. At present, the latest version 1.9.1 is demons ...

1, ES6 grammar guide After the back-end project is built, the front-end page is next. But before that, some preparations are needed. We need to learn the Syntax Standard of ES6. What is ES6? ECMAScript version 6 standard. 1. What is ECMAScript? Let's take a look at the development of the front end: web1.0 era: The original web page is mai ...

HTML HTML is a hypertext link language, English Name: hypertext markup language; It can be used for the design of text, pictures, sound, video and other web elements in web pages. Development tools: vs code, Google Chrome 1, HTML beginner 1.HTML syntax: Single tag: < tagName attribute = "attribute value"... > Double Tags: ...