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This article draws lessons from this, I just study and summarize on this basis 1, Constructor (1) What is a constructor Constructor returns the reference of the constructor when creating the instance object. The value of this property is a reference to the function itself, not a string containing the function name function Person() {} var ...

Anti chattering and throttling are events that prevent high frequency triggering Anti shake, generally used in Onresize event (onresize: execute Javascript code when the browser is resized) oninput event: triggered upon user input. If the event is triggered with high frequency, it is likely to cause the server to crash Then you can use the ...

Garbage collection mechanism     The Javascript of the browser has an automatic garbage collection mechanism, and the execution environment will be responsible for managing the memory used during code execution.   The principle is: the garbage collector will periodically (periodically) find out those variables that are no ...

Create array array constructor let arr = new array() // Create an empty array let arr2 = new Array(20) // Create an array of 20 items let arr3 = new Array("lily","lucy","Tom") // Create an array of 3 strings Array literal representation let arr4 = []; //Create an empty array let arr5 = [20]; // Create an array containing 1 items let arr6 = ...

Components of JavaScript in browsers JS in Browser ECMAScript (Core Syntax) ES3 --> ES4 --> ES5 --> ES6 (2015) --> ES2016 --> ES2017..... Variables, Constants data type function Process control (if, switch, for, while, for...in, continue, break) operator JS built-in objects (Array, String, RegExp, Date, Math....) Web ...

filter   Used in interpolation expressions and v-bind attribute binding instructions. <p>{{ msg | msgFormate }}</p> <p :id="msg | msgFormate"></p> ‘|’   -- Pipe character, used to split characters and filters Filters must be declared before use.The filter declared in the vue object is pri ...

Vue-cli4 project packaging 💕 How to operate webpack For vli3 and vli4 versions, we need to modify the webpack configuration. We need to create the vue.config.js file in the project root directory First, configure the cross domain problem of the interface module.exports = { devServer: { open: false, // Auto launch browser host ...

Article catalog 🔥 1. Foreword   🔥 2. Project structure analysis 🔥 3. Operation steps 🔥 4. View effect   🔥 5. Previous good articles recommended 🔥 1. Foreword   Hello, I'm a paper plane. If every day is endless knowledge, such learning must be very boring. Today, I'll bring you something with a sense of achi ...

1. Build vue project first Run Vue cli vue create vui We renamed src to examples and added the packages directory to store our custom components However, cli will start the service under src by default. If the directory name changes, we need to manually modify the configuration and customize the file of packaging configuration items. ...

vue3-vite2-blog-h5 A simple version of mobile blog. The front-end project is mainly built by using Vue3's latest syntax sugar < script setup > and Vant3.0; Tsx is used to render common components; Vite 2.0 is used to build and package. The back-end project is mainly designed by Node framework Koa2 and MongoDB database. PC blog online pr ...