vue toggle makes a click to switch classes (explanation with examples)

Concepts and instances of classes and methods Class (Class): used to describe a collection of objects with the same properties and methods. It defines the properties and methods common to every object in the collection. Objects are instances of classes. Method: Function defined in the class. Class construction method __init__(): The class has a special method (construction method) named init(), which is automatically called when the class is instantiated. Instance variables: In the declaration of a class, attributes are represented by variables. Such variables are called instance variables. An instance variable is a variable modified with self. Instantiation: Create an instance of a class, a specific object of the class. Inheritance: that is, a derived class (derivedclass) inherits the base class (baseclass)

How to convert Win11 Home Edition to Win11 Professional Edition? In Win11 system, it is divided into Home Edition, Professional Edition, Enterprise Edition, etc., and most Win11 notebooks are pre-installed with Win11 Home Edition system. Today, the editor will show you the steps to switch from win11 home version to professional version! 1. First, right-click on this computer on the win11 desktop and properties. 2. Click Change Product Key or Upgrade Windows. 3. Then click Change Product Key after entering. 4. Enter the activation key: 8G7XN-V7YWC-W8RPC-V73KB-YWRDB and select Next. 5. Then it will prompt success, so you can upgrade win11 home version to win11 professional version.

Xiaomi 14Ultra is one of the most popular Xiaomi models this year. Xiaomi 14Ultra not only upgrades the processor and various configurations, but also brings many new functional applications to users. This can be seen from the sales of Xiaomi 14Ultra mobile phones. It is very popular, but there are some commonly used functions that you may not know yet. So how does Xiaomi 14Ultra switch between 4g and 5g? Let me introduce the specific content to you below! How to switch between 4g and 5g on Xiaomi 14Ultra? 1. Open the settings menu of your phone. 2. Find and select the "Network" and "Mobile Network" options in the settings menu. 3. In the mobile network settings, you will see the "Preferred network type" option. 4. Click or select this option and you will see

Many friends may not be used to the win system when they first come into contact with it. There are dual systems in the computer. At this time, you can actually switch between the two systems. Let's take a look at the detailed steps for switching between the two systems. How to switch between two systems in win10 system 1. Shortcut key switching 1. Press the "win" + "R" keys to open Run 2. Enter "msconfig" in the run box and click "OK" 3. In the open "System Configuration" In the interface, select the system you need and click "Set as Default". After completion, "Restart" can complete the switch. Method 2. Select switch when booting 1. When you have dual systems, a selection operation interface will appear when booting. You can use the keyboard " Up and down keys to select the system

How to switch between Apple dual systems when starting up Apple computers are powerful devices. In addition to their own macOS operating system, you can also choose to install other operating systems, such as Windows, to achieve dual system switching. So how do we switch between the two systems when booting? This article will introduce to you how to switch between dual systems on Apple computers. First of all, before installing dual systems, we need to confirm whether our Apple computer supports dual system switching. Generally speaking, Apple computers are based on

In the application of excel software, we are accustomed to using shortcut keys to make some operations easier and faster. Sometimes there is related data between multiple tables in excel. When we view it, we have to constantly switch between tasks. If there is a faster switching method, it will save a lot of wasted time on switching, which will greatly help improve work efficiency. What method can be used to complete quick switching? To address this issue, the editor will talk about it today The content is: How to use the shortcut keys for switching workbooks in Excel. 1. First, you can see multiple workbooks at the bottom of the open excel table. You need to quickly switch between different workbooks, as shown in the figure below. 2. Then press the Ctrl key on the keyboard without moving, and select the job to the right if you need to

In daily life, we often encounter the problem of full-width and half-width, but few people may have a deep understanding of their meaning and difference. Full-width and half-width are actually concepts of character encoding methods, and they have special applications in computer input, editing, typesetting, etc. This article will delve into the differences between full-width and half-width, switching techniques, and real-life applications. First of all, the definitions of full-width and half-width in the field of Chinese characters are: a full-width character occupies one character position, and a half-width character occupies half a character position. In a computer, pass

Class is a keyword in Python, used to define a class. The method of defining a class: add a space after class and then add the class name; class name rules: capitalize the first letter. If there are multiple words, use camel case naming, such as [class Dog()].