Teach you how to use JSX in Vue hand in hand. You're not afraid to learn! [suggested collection]

Learning this article, I hope you already have the following knowledge: Basic use of vue.jsThe front-end three piece set (html, css, js) can be used skillfully The supporting demo code is at the end of the text: I'll go straight to What is JSX JSX is a syntax extension of Javascript. JSX = JavUTF-8...

Posted by chomps on Tue, 28 Sep 2021 14:38:33 +0530

Introduction to webpack (40000 word notes)

webpack learning Front prompt: This is webpack4 Directory of shorthand global webpack (windows): C:\Users\Dev\AppData\Roaming\npm\node_modules Uninstall npm uninstall webpack -g install npm install webpack@version -g Chapter 1: introduction to webpack 1.1 what is a webpack webpack is a front-enUTF-8...

Posted by unmash on Tue, 28 Sep 2021 15:28:27 +0530

Data type and judgment in js

What are the js data types stay ECMAScript In the specification, Divided into Basic type and Citation type Two categories are as follows: Basic data type (value type): number: NaN\Infinity \ normal number String: normal string \ template string boolean: true\false Null: empty typeof null = = > UTF-8...

Posted by polandsprings on Wed, 29 Sep 2021 01:43:21 +0530

Vue components_ Component communication_ todo case

01-assembly-4 steps The case is written in less style, so download it yarn add less less-loader@5.0.0 -D Template label Case: folding panel Send Xin Jian from Furong building {{ isUTF-8...

Posted by Kaizard on Wed, 29 Sep 2021 05:11:22 +0530

What are the native methods of JS arrays, so many API s are really hard to remember?

Array Native Method Combing 🔶 Array.isArray() 🔶 The method of combining arrays: concat(), which returns a stitched array without affecting the original array. 🔶 Array and string conversion methods: toString(), join(), where the join() method specifies the delimiter when converting to a strinUTF-8...

Posted by jasonla on Wed, 29 Sep 2021 22:01:28 +0530

A simple comb of the common methods of arrays

A simple comb of the common methods of arrays Arrays as a common data type in development,Learn how to handle arrays,Will make your development smoother Array methods fall into two broad categories: 1.Method of changing the original array : as shift(),unshift(),pop()etc. 2.Method that does not UTF-8...

Posted by DylanBlitz on Wed, 29 Sep 2021 22:43:16 +0530

Long.js source code analysis and learning

background Since the custom binary protocol of WebSocket is used in the project, it is necessary to convert the binary to the Long type defined in the back-end service. The Number type in JavaScript cannot fully represent Long numbers due to its own reasons, so we need to store Long values in oUTF-8...

Posted by cafrow on Wed, 29 Sep 2021 23:30:34 +0530

should.js source code analysis and learning

background In order to study and learn the working principle of some test frameworks, and also to complete the reasons for implementing a simple test framework in the training, I have studied and analyzed the code of should.js. Now I will communicate with you. It was previously placed on the seUTF-8...

Posted by NerdConcepts on Wed, 29 Sep 2021 23:50:39 +0530

Solve the problem of inaccurate position of rotation chart caused by vertical scrolling

Abnormal rotation chart caused by vertical scrolling preface Today, when writing the mobile page, the demand is to make a page sliding effect. I first wrote a demo. There is no problem. I solved the problem of page sliding with touchstart,touchmove and touchend, and then it runs well! Then we bUTF-8...

Posted by HAN! on Thu, 30 Sep 2021 03:23:59 +0530

112. Implicit conversion in js

(1) + operator: Do + operation with string and convert it into string first; Do + operation with numbers and convert them into numbers first (except string); 1, Numbers and strings use the + operator Convert a number to a string, and then connect the string: let str = "abc"; let num = 12; consoUTF-8...

Posted by REDFOXES06 on Thu, 30 Sep 2021 04:42:19 +0530