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Mixins introduce In addition to the traditional object-oriented inheritance, there is also a popular way to create classes through reusable components, which is to combine the code of another simple class. You may be familiar with mixins and its features in languages such as Scala, but it is also very popular in JavaScript. Blend in Exam ...

brief introductionThe implementation principle of JS sandbox and style sandbox in qiankun framework is explained in detail from the source code level.prefaceThe word sandbox must be familiar to everyone. Even if it is strange, it will not be so strange after reading this articleSandboxie, also known as sandbox, is a virtual system program that ...

Experiment 6 Title Requirements Based on ASP Net core carries out web page programming, reads students' reading data from the database and displays it on the web page. It is required to display the list first, and then click the specific item to display. Certain data summary can be carried out. Environment settings Operating system ...

vue common instructions vue provides some more convenient output for page + data. These operations are called instructions. The instructions encapsulate some DOM behaviors and combine attributes as a code. The code has corresponding values. According to different values, the framework will bind relevant DOM operations V-text (equivalent ...

Life cycle of Vue The process of vue instance from creation to destruction is the life cycle. vue each component is independent, and each component has its own life cycle. Life cycle makes it easier for us to form better logic when controlling the whole vue. It can be divided into three stages: Mount stage, update stage and destroy stage. ...

1, Pass parent component to child component Parent components communicate with child components through props attribute Data is one-way flow parent - > child (if props data is modified in the child component, it is invalid, and there will be a red warning) Parent component Vue code is as follows: <template> <div class="parent ...

CSSBaidu's definition: Cascading style sheets (English full name: Cascading Style Sheets) is a computer language used to represent file styles such as HTML (an application of Standard General Markup Language) or XML (a subset of Standard General Markup Language). CSS can not only modify the web page statically, but also format the elements of t ...

1. What are the basic types of JavaScript? What are the reference types? What is the difference between null and undefined? Data type: Basic data types: Number, String, Boolean, undefined, null Reference data types: Function, Object, Array difference: undefined: indicates the value when the variable is declared but not initialized Null: i ...

1: Communication mode between components state: the data source that drives the application. View: map state to view declaratively. actions: respond to state changes caused by user input on the view. Status management: Communication mode between components: Value transfer from parent component to child (parent-child component) 1. Receiv ...

Anti shake definitionSome frequently operated events will affect performance. "Anti shake" can be used to reduce the response frequency of events. When an event is triggered, the corresponding function will not be triggered immediately, but will wait. The response function will not be executed until the event stops triggering after wa ...