Programming VIP

Note: This is the notes of the Saint Teacher's course. The original course address is: 07 | Smart Response: Understanding the Response Mechanism of Vue 3 First, what is a response Looking at the code below, double s depend on count, but when we modify count, it doesn't change. let count = 1 let double = count * 2 console.log(double)//2 count ...

1. Getting started with Vue 1.1 what is Vue Vue (pronunciation / vju) ː/， Similar to view) is a set of progressive JavaScript frameworks for building user interfaces. Vue's core library only focuses on view layers, that is, only pages.Vue provides a set of JS framework, usually called Vue framework.Progressive, that is, you can use Vue ...

1, Concept and principle of routing 1. What is front-end routing? Front end routing is the correspondence between the hash address (anchor link) and the component. Hash address: the addresses in the url and beyond are called hash addresses To get the hash address, use the location.hash method. 2. Working mode of front-end routing How fr ...

  record some css that will be used but not often used. I don't remember these things very reliably. Every time I need to use them, I know what to use, but I don't remember how to write the code. Here's a record to deepen my impression 1, Adaptive layout and responsive layout   first, let's talk about adaptive layout and respons ...

Differences and relations between Vue router's base and vue.config.js's publicPath   explanation of the base official document of Vue Router: base type: string Default value: "/" The base path of the application. For example, if the entire single page application service is in /app/ Next, then base Should be set to "/app/"   exp ...

1, TypeScript quick start New TypeScript TypeScript is a superset of JavaScript. It mainly provides type system and support for ES6 +. It is developed by Microsoft and the code is open source GitHub upper Install TypeScript Run the following command from the command line to install TypeScript globally: npm install -g typescript After ...

1. Event Action Get Event Object in Vue Common event function, the first form parameter of event handler receives injection of event object by default when called without any parameters, that is, the first parameter of event function is event object <div id='app'> <input @keyup='getKey' type='text'/> </div> ... <script& ...

Today, when using vue to implement the selected drop-down box, I found that after binding attributes with v-model, the selectbox that originally displayed the first item by default became blank, and specifying the selected attribute in the option tag had no effect. So I summarized how to implement the default values of the drop-down box under d ...

vue component practice Component Foundation A component is a reusable Vue instance with a name. We can use this component as a user-defined element in a Vue root instance created through new Vue. Component registration, use and data transfer Vue.component(name, options) can be used to register components. Example: extract new course components ...

FinClip How can front-end engineers control and implement different roles and permissions in the front-end, so as to control different users to access different pages? preface For most background management, role permissions are an important link. Through the configuration of role permissions, we can easily adjust whether users can access r ...