Optimization method of vue coding
Performance optimization itself is a big topic, and it doesn't have a formula. It's best to analyze it in a specific project, rather than see that an optimization technique must be used in the project. This article mainly talks about the common optimization methods in the vue coding stage
🔑 Use key
About key in this article Please explain t ...
Added by Cyberspace on Tue, 01 Feb 2022 20:31:41 +0200
The principle of response in vue3
Before talking about the response of vue3, let's briefly talk about the response principle of vue2.
Object type: through object Defineproperty() intercepts the reading and modification of properties (data hijacking)
Array type: intercept by rewriting a series of methods to update the array.
vue2's response will have the following problems:
...
Added by deadlyp99 on Tue, 01 Feb 2022 17:27:32 +0200
ES6 study notes
1,ES6
1.1. What is ES6
The programming language JavaScript is the implementation and extension of ECMAScript. ECMAScript is a syntax specification standardized by ECMA (a standards organization similar to W3C). ECMAScript defines:
Language grammar – syntax parsing rules, keywords, statements, declarations, operators, etc.
type – ...
Added by [PQ3]RogeR on Tue, 01 Feb 2022 13:20:52 +0200
Deep understanding of cross domain issues
Deep understanding of cross domain issues
In this article, you will learn:
What is homology, what is cross domain, what is source, and how to cross domain
1. Software description
Demo using web Services:
django3.2
python3.9
vue 2
2. Problem description
What is cross domain CORSWhat is homology strategyHow to implement cross domain
3. P ...
Added by jeephp on Tue, 01 Feb 2022 10:31:29 +0200
Ideas for Implementing Permission Function of vue Background Project
In common background systems, there will be different user roles, such as super administrator, ordinary user, whose permissions are different, so the modules that can be manipulated or displayed are also not consistent. The following background management system framework is used as a template here
Address: https://github.com/PanJiaChen/vue-ad ...
Added by Amplifier on Tue, 01 Feb 2022 10:17:55 +0200
JavaScript basic notes
JavaScript operator
Operators commonly used in JS:
Arithmetic operator Increment and decrement operatorsComparison operatorLogical operatorAssignment Operators
Arithmetic operator
operatordescribeexample+plus10 + 20 = 30-reduce10 - 20 = -10*ride10 * 20 = 200/except10 / 20 = 0.5%Remainder (modulus)Returns the remainder of division 9% 2 = 1 ...
Added by PHPBewildered on Tue, 01 Feb 2022 10:00:37 +0200
An inside volume note about TypeScript
Author: Attention 🐴
Github: Github
Nuggets: Go in and have a look 🐴
Hobbies: Americano More Ice!
An inside volume note about Typescript
Typescript
brief introductioninstallWrite the first demoBasics
Raw data type
Boolean valuenumerical valuecharacter stringNull value Arbitrary valuetype inference Union typeObject type - In ...
Added by planethax on Tue, 01 Feb 2022 09:39:52 +0200
2022 dark horse programmer - first stage of front-end learning (day03 CSS Foundation)
Learning video station B: Dark horse programmer - front end learning (phase I)
CSS Foundation
Basic cognition
CSS knowledge
CSS: Cascading style sheets What is the function of CSS?? Style HTML tags in a page Where is it written? In general, write style in the label, css in the label Code example:
<!DOCTYPE html>
<html lang=" ...
Added by chaffinator on Tue, 01 Feb 2022 08:08:05 +0200
[red book] Chapter 8: understanding objects, classes and object-oriented programming
ECMA-262 defines an object as an unordered set of attributes. We can imagine the object in JS as a hash table, in which the content is a set of key value pairs, and the type of value can be data or function.
1, Understanding object
The usual way to create a custom Object is to create a new instance of the Object, and then add properties and m ...
Added by NJordan72 on Tue, 01 Feb 2022 07:50:56 +0200
Vue--Router -- hook function (navigation guard) -- usage scenario / instance
Original website:
brief introduction
explain
This article introduces the usage scenario of the hook function (navigation guard) of Vue Router.
Navigation guard usage of Vue Router, Official website It is described in great detail in. Only the usage scenarios are introduced here.
Official website
Navigation guard | Vue Router
Hook functio ...
Added by adamgram on Tue, 01 Feb 2022 07:35:28 +0200