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preface❤️ As long as the next day can be expected, today is worth rejoicing ❤️ 1, Variable (1) Variable overview 1.1 what are variables Vernacular: a variable is a box of things. Popular: variables are containers for storing data. We get the data through the variable name, and even the data can be modified. 1.2 storage of variables i ...

Principle Analysis of JS Confusion File Decompilation for Invoice Verification Platform Invoice Verification Platform, because this Most JS for Invoice Verification Platform are Passed If obfuscator encryption confusion has been handled, it is more appropriate for me to practice. This article only analyses The obfuscator obfuscates the ...

The article has been included in github , welcome to Watch and Star.brief introductionIn understanding Element source code architecture Next, we build our own component library for the team based on element UI.Theme configurationThe basic component library has little difference in UI structure. Generally, there will be great difference in the ...

Basic packaging content To facilitate the operation of basic data types, js also provides three special reference types : String, number, Boolean The basic wrapper type is to wrap simple data types into complex data types Thus, there are properties and methods The principle is Wrap complex data into simple types Use this complex data ty ...

VueUse component data lazy loading 1. Understanding Objective of this section: to understand what component data lazy loading means from a practical point of view Think about two questions Where are our general data requests initiated?What are the characteristics of life cycle hook function? At present, ajax requests in each componen ...

Optional chain operator Optional chain operator (?.) It is not necessary to verify whether the value of each link in the chain is explicitly valid, but whether it is allowed to read the value of each link in the chain The function of the operator is similar to The difference of chain operator is that it will not cause an error when the referen ...

catalogue 1. What is web API 2. Basic concepts of DOM 2.1 DOM tree (document object type) 3. Get elements and events 3.1. Get elements 3.2 events 4. Operation element 4.1. Get / modify the content in the element 4.2. Get / modify attributes in elements 4.3. Get / modify attributes in form elements 4.4. Get and modify style attribut ...

[warm tips]: if you want to know more about the actual combat content of this project, you can go to vue.js project tiktok APP- project planning Learn more about project planning. [project address] The project is managed by Git, and the final project will be released to GitHub. Interested partners can learn together to improve the project. Pro ...

[the external chain image transfer fails. The source station may have an anti-theft chain mechanism. It is recommended to save the image and upload it directly (img-btlqds5c-1622015619538)( https://b3logfile.com/bing/20180817.jpg?imageView2/1/w/960/h/540/interlace/1/q/100 )] Meet Mock Even if we start to step into the door of AntD, then we ha ...

Title: learning of the fourth edition of JavaScript advanced programming - Chapter 17 date: 2021-5-27 10:02:37 author: Xilong88 tags: JavaScript Contents of this chapter: Understanding event flow Using event handlers Understand different types of events Possible interview questions: 1. Do you know the event flow? 2. Event bubbling? Event captu ...