June 2022

Detailed explanation of watch and watchEffect in Vue3 Using watch and watchEffect in vue 3 componentized development requires import import { watch, watchEffect } from ‘vue’ watch Attributes watch has a certain inertia You can get the original value and the current value Can listen to the transformation of multiple data, carried by a listener […]

foreword In front-end development, we will generate a lot of node_modules, and it will take a long time to delete each time you right click. I saw this gadget on Douyin today, come here to share npkill github repository Currently the project has 5.8K stars use Install globally with npm i -g npkill Then open

[TS automatic restart + TS automatic operation + Parcel automatic packaging] Proceed as follows: (1) Initialize npm init –yes and package.json appears (2) Install typescript ​ Install npm i typescript -g globally or ​ Local installation: npm i typescript -D or ​ yarn install yarn global add typescript ​ [npm i typescript -D is the

1. Do not generate a sorce map file Set productionSourceMap to false in vue.config.js When this option is turned off, the packaged file will be twice as small 2. If the component library is referenced, set the on-demand reference If your project references the component library, the development environment can be imported without thinking, and

foreword What is Vuex? The official documentation says this: Vuex 是一个专为Vue.js 应用程序开发的状态管理模式+ 库。它采用集中式存储管理应用的所有组件的状态，并以相应的规则保证状态以一种可预测的方式发生变化。 It can be understood that Vuex is a data management framework what Vuex has state (where state data is stored) getters (can be understood as the computed properties of the store) mutations (methods that change data in state (modify data synchronously)) actions

foreword As the title, I encapsulated an own ajax request function. Uncompressed version: https://cdn.xxhzm.cn/request/request.js Compressed version: https://cdn.xxhzm.cn/request/request.min.js Instructions for use pass parameters URL address Request method (GET, POST) request parameters request header Whether to request asynchronously (true, false), asynchronous request is enabled by default GET GET takes no parameters and no request headers: <script src=”https://cdn.xxhzm.cn/request/request.min.js”></script>

Detailed explanation of watch and watchEffect in Vue3 Using watch and watchEffect in vue 3 componentized development requires import import { watch, watchEffect } from ‘vue’ watch Attributes watch has a certain inertia You can get the original value and the current value Can listen to the transformation of multiple data, carried by a listener