Programming VIP

brief introductionIn this paper, the server takes Nest official template and the client takes Vue3 + Vite official template as an example to briefly introduce how to use socket in Nest project IO instant messaging with Vue3's clients.Initialize projectServer# Install Nest scaffold $ npm i -g @nestjs/cli # Create a nest backend project $ nest n ...

HTML Basic label 1 form type Please write out the following types of input boxes in turn. The type is password, and the default value is "nowcoder"The type is the check box and the status is checked <form> <input type = "password" value = "nowcoder"> <input type = "checkbox" checked = "checked"> &l ...

What is Promise Promise is a solution to asynchronous programming. In fact, it is a constructor. It has all, reject and resolve methods, and then, catch and other methods on the prototype. (ps: what is a prototype https://blog.csdn.net/qq_34645412/article/details/105997336 ) Promise objects have the following two characteristics. (1) The ...

Basic JavaScript syntax (2) 8, Function 1. Concept of function In JS, many codes with the same or similar functions may be defined. These codes may need to be reused. Although the for loop statement can also realize some simple repetitive operations, it has limitations. At this time, we can use the functions in JS Function: encapsulates a code ...

catalogue 1. Quote mathlive 2. Quote echarts 3.methods 4. Code display 5. Attention First of all, I searched the Internet for a long time, but I didn't find the information of Eckart's three-dimensional drawing, and took many detours. Therefore, after solving the problem, I recorded the difficulties and solutions here. This pure front-en ...

In daily life, biometric technology has been the standard configuration of most smart phones. Most mobile phones have face recognition, fingerprint recognition and other functions. At present, fingerprint recognition technology has been very mature. But what we want to talk about today is not fingerprint identification in biometrics, but browse ...

preface The object of JavaScript is a set of key value pairs, which can have any number of unique keys. The key can be of String type or tag type (Symbol, the basic data type newly added in ES6). Each key corresponds to a value, and the value can be any value of any type. For the properties in the object, JavaScript provides a property descrip ...

Detailed explanation of jQuery events in JavaScript Because JavaScript runs in a single thread mode in the browser, after the page is loaded, once all the JavaScript code on the page is executed, you can only rely on the trigger event to execute the JavaScript code. After receiving the user's mouse or keyboard input, the browser will automati ...

reference material: Vue official manual Editor: Hbuider X We need to do a small program development. We have selected the framework of uni app, so we should learn vue first ps: 2022-1-24 updated to Class is bound to Style Template syntax Vue.js uses an HTML based template syntax that allows developers to declaratively bind the DOM to the ...

[HTML of reconstructing front-end knowledge system] changes brought by HTML5 to web page audiointroductionI believe everyone is familiar with music playback, but long before the previous music playback, your browser will ask you whether to download the flash plug-in. Now, however, it is estimated that some young developers don't need to know wh ...