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Objective: Picture preloading can make users browse the following pages without half of the loading of the picture leading to poor browsing. Method 1 Pictures should be preloaded when the project opens, and pre-loaders should be added to beforeCreate in App.vue App.vue beforeCreate(){ let count = 0; let imgs = [ //use requi ...

I. Console Color Printing Download console-color-mr npm install console-color-mr --save-dev The first usage: Direct introduction of require('console-color-mr'); Modified the default color. console.info will output red directly //use color console.info('------------ default color--------'); conso ...

Reference resources: Official documents Install vue-ztree: npm install vue-ztree-2.0 main.js introduces vue-ztree: import vueztree from 'vue-ztree-2.0/dist/vue-ztree-2.0.umd.min.js' import 'vue-ztree-2.0/dist/vue-ztree-2.0.css' Vue.use(vueztree) app.js implements vue-ztree: <template> &lt ...

Recently, the company asked to do live video broadcasting function with chat room to record today First introduce the required Js Cloud Melting Technical Documentation https://www.rongcloud.cn/docs... <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script> <script src="https://sdk-release.qnsdk.com/qiniu-web- ...

1, background ajax requests are indispensable in project development Some ajax requests do not require loading or request time is less than how much is not shown loading Assimilation of requests in projects (error handling, return data formatting, loading, token processing) Configuration is based on a ...

I. Template Defects The greatest feature of template is that it is difficult to expand and difficult to expand. May cause logical redundancy <Level :type="1">Ha-ha</Level> <Level :type="2">Ha-ha</Level> <Level :type="3">Ha-ha</Level> Level components need to generate different labels for different type s &l ...

First, login to Aliyun Vector Icon Library and add the font icon to your project. Two, Ali cloud icon four ways (recommended third ways to introduce, if you do not consider the network problem can be introduced online) After entering the project, you will see that Aliyun can choose three ways to import ...

axios is a Promise-based HTTP library, and the return value is the Promise object. The front end requests data from the back end through axios, and we can intercept them through Axios interceptors before requests or responses are made by the then or catch. Basic knowledge of axios interceptors: // r ...

uni-app Customized Modal Bullet Window Template uniPop, uniapp Imitated Wechat, android, ios Bullet Window Effect uniPop has built-in animation effects, optional ios/android, customizable pop-up window style/customizable multi-button and event/pop-up window display location, auto-closing seconds, transparency of the mask layer, and whether or n ...

There is no native bottom tabbar in the fast application, if you have to implement it, you have to simulate it yourself. But if you do, there are some problems. For example, the component introduced in the custom tabbar can not trigger the onShow life cycle of the custom component, so you need to trigger it manually. Moreover, when you want to ...