Agent model of design pattern combing

Sorting is always from easy to difficult, and the agent mode is not difficult to understand, because the front-end partners are commonly used agents. Today, sort out the so-called agent mode What is the agent model Agent mode is very common. Not only do we see the so-called agent mode in our life, brokers, secretaries, lawyers, including in ...

Added by jds580s on Sun, 06 Mar 2022 17:57:31 +0200

Don't overlook the importance of functions and classes in TypeScript

The last article summarized Type annotation for TypeScript , let's talk about equally important functions and classesfunctionThe following declares a function type. The type alias is defined by type. void indicates that there is no return valuetype fnType = () => void;As a parameterA function can be passed as an argument to another functiont ...

Added by mariaak83 on Sun, 06 Mar 2022 15:22:16 +0200

[Vue]vue2.6 detailed explanation of Vue class component and Vue property decorator using TS

vue2.6 middle pair typescript support Vue CLI 3 can generate new projects using TypeScript. # 1. If Vue CLI is not installed, install it first cnpm install --global @vue/cli # 2. Create a new project and select the "Manually select features" option vue create my-project-name 1. vue-class-component vue-class-component It is the of ...

Added by drorgo on Sun, 06 Mar 2022 09:18:08 +0200

Common methods in projects

catalogue 1, Array string conversion method 1. Convert string or number to array 2. Convert array to string 2, Time - common conversion methods 1. Prohibit selection of Sundays 2. Prohibit date selection interval (1) Start date use (2) End date usage 3. Enter the date and return the date in the specified format 4. Pass in the date and ...

Added by NDK1971 on Sun, 06 Mar 2022 04:31:19 +0200

vue Front End Cross-Domain Solution

Why cross-domain: When browsers access non-homologous web addresses, access is restricted and cross-domain issues occur. There are three common cross-domain types: jspn cross-domain, principle: generate script tags dynamically, introduce interface addresses through script tags (because script tags do not exist cross-domain)cors Cross Domain ...

Added by raahool_16 on Sat, 05 Mar 2022 19:38:35 +0200

New feature of ES6 | array extension

1. Extension operator (1) Basic usage Array to parameter sequence (comma separated) let arr = [1,2,3]; console.log(...arr); // 1 2 3 function call let arr = [1,2]; function add(x,y) { console.log(x+y); }; add(...arr); // 3 Extension operators can place expressions const arr = [ ...(x>0 ? ['a']:[]), 'b', ] If the e ...

Added by helloworld on Fri, 04 Mar 2022 23:01:39 +0200

"Transform" VS Code editor and write a plug-in together!

Author: HelloGitHub- Xiaoxia (first official account of HelloGitHub) As a developer who relies on code as a "livelihood", whether the bug is written well or not, the editor is really important! Then the name Visual Studio Code will be familiar to you. As an old and powerful editor, its excellence is as follows: First of all, i ...

Added by garry_224 on Fri, 04 Mar 2022 04:12:42 +0200

Vue + Springboot uses the national secret algorithm SM2 for data encryption and transmission at the front and back ends, and provides a complete interactive solution

When deploying the external network of the project, data encryption transmission is often required, especially for the projects of enterprises and institutions. In addition, for security or red header files, the national secret algorithm is often required. Because interaction is involved, SM2 asymmetric encryption is used. Back end (Springboot ...

Added by mmorton on Thu, 03 Mar 2022 19:14:26 +0200

EGE drawing five button

EGE column: EGE column Previous: EGE drawing 4 Gif motion picture playback Next: EGE drawing five button (down) EGE drawing (V) button (up) Last revision time of the article: 22:24:34, July 7, 2021 catalogue 1, Button function 1. Ordinary button2. Optional buttons 2.1 radio button2.2 check box 3. Multifunction button 2, Button s ...

Added by Jim on Thu, 03 Mar 2022 07:49:50 +0200

Interpretation of Vue source code -- Analysis of compiler

When learning becomes a habit, knowledge becomes common sense. Thank you for your attention, likes, collections and comments.The new video and articles will be sent to WeChat official account for the first time. Li YongningThe article has been included in github warehouse liyongning/blog , welcome to Watch and Star.Special instructionsDue to th ...

Added by dajawu on Thu, 03 Mar 2022 02:44:17 +0200