Detailed explanation of ES6 module and CommonJS and their differences

ES6 module (introduction, features) introduce ES6 introduces modularity. Its design idea is to determine the dependencies of modules and the variables of input and output at compile time. The modularization of ES6 is divided into two modules: export @ and import. characteristic The module of ES6 automatically turns on the strict mode, ...

Posted by dheeraj on Wed, 02 Mar 2022 14:48:58 +0100

Advanced programming of javaScript DOM

Hi, little buddy ~ ~ welcome to my js teaching class. Let's learn javaScript together! catalog: I What is a DOM tree? II How to use JS to operate tables? III Common attributes and methods of Element (key points) IV Case explanation~ ~ ~ ~ let's briefly recall some important words in the last explanation~~~ 1. Documentation 2 Click # 3 ...

Posted by Serberus on Wed, 02 Mar 2022 13:13:44 +0100

Applet Wx Requestpayment error / no response information sorting

When the wind blows, the clouds are flying, and an de Meng Shi walks everywhere. BUG, you have to change it at any time. If you don't change it, you can't. think about it. When you're alone, you can't use it when you eat hot pot and sing songs after work! This paper sorts out the wechat applet Wx The requestpayment reported an error or did not ...

Posted by hmvartak on Wed, 02 Mar 2022 10:15:51 +0100

This time, understand Promise thoroughly

1, Why introduce Promise Before introducing this chapter, first raise a few questions: What problem did Promise solve?What are the specific usage scenarios for Promise? What problem did Promise solve? Callback hell problem Before Promise, the front end often needs to solve the asynchronous problem by nesting callback functions laye ...

Posted by tomms on Wed, 02 Mar 2022 06:33:21 +0100

Three.js series: write a first / third person perspective game

Hello, everyone. I'm Qiufeng. I'm here Last I talked about three The goal of JS series and Baoke dream game, let's pass three JS to talk about the perspective following in the game. Believe me, readers play more or less games, such as king glory, Jedi survival, baokemeng, Zelda, protogod and so on. So do you know what perspective they are? Do y ...

Posted by phlow on Wed, 02 Mar 2022 06:22:55 +0100

What is the difference between deep copy and shallow copy? How to implement a deep copy?

1, Data type storage As mentioned in the previous article, there are two major data types in JavaScript: Basic typereference type The basic type data is saved in stack memory The reference type data is stored in the heap memory. The variable of the reference data type is a reference to the actual object in the heap memory, which is stored ...

Posted by sBForum on Wed, 02 Mar 2022 05:56:26 +0100

Interpretation of Vue source code -- Analysis of compiler

When learning becomes a habit, knowledge becomes common sense. Thank you for your attention, likes, collections and comments. The new video and articles will be sent to WeChat official account for the first time. Li Yongning The article has been included in github warehouse liyongning/blog , welcome to Watch and Star. Special instructions D ...

Posted by robotman321 on Wed, 02 Mar 2022 01:59:35 +0100

This article helps you understand how vue creates a background management system process (Vue+Element)

I think it's easy to give up a ballad, but it must be cool to stick to it 1 Preface This paper is based on my own work experience. If there is any unreasonability, please spit out 2 Definition Background management system what to add to a page deletion check is a bit similar, do not redefine 3First contact with background management syst ...

Posted by liro on Tue, 01 Mar 2022 19:04:21 +0100

[JavaScript] common web API usage

Article catalogue 1, What is web API?2, Events 2.1 concept2.2 three elements of event 3, Get element4, Operation element 4.1 get / modify element content 4.1.1 innerText4.1.2 innerHTML 4.2 get / modify element attributes4.3 get / modify form element attributes 4.3.1 value: the value of the ...

Posted by mr00047 on Tue, 01 Mar 2022 17:58:09 +0100

JS: 3 binary heap questions and 7 interval questions

Small top pile Other languages can complete the function of small top heap with priority queue, but JavaScript without built-in function needs to write a small top heap. Interview questions should be used. At least you can copy a correct data structure. If handwriting is required, we can also remember from understanding. Previously wri ...

Posted by dcro2 on Tue, 01 Mar 2022 15:34:31 +0100