Javascript
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
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
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
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
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 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
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
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
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
(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