Programmer Think

Summary of JS basic questions [refer to the "question of the original JS soul" of the three great gods of nuggets, JS advanced programming, web front-end interview - interviewer series, etc.] 1. The object is passed as a function parameter Say the running result of the following code and explain the reason function test(person) { ...

Static properties and static methods We can assign a method to the function itself of the class instead of the "prototype" assigned to it. Such a method is called static. In a class, they start with the static keyword as follows: class User { static staticMethod() { alert(this === User); } } User.staticMethod(); // true ...

1. Concept Vuex is designed for Vue JS application development state management mode. It uses centralized storage to manage the status (data) of all components of the application. Vuex is also integrated into Vue's official debugging tool devtools. In short, Vuex is a Vue plug-in that implements centralized state (data) management in Vue. ...

note Scaffold file structure ├── node_modules ├── public │ ├── favicon.ico: Tab Icon │ └── index.html: Main page ├── src │ ├── assets: Storing static resources │ │ └── logo.png │ │── component: Store components │ │ └── HelloWorld.vue │ │── App.vue: Summarize all components │ │── main.js: Entry file ├── .gitignore: git Con ...

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

1. MVVM mode Both framework Vue and React are now commonly used in MVVM mode. MVVM is short for Model-View-ViewModel. M stands for Model, V stands for View, and VM stands for View-Model, the bridge between data and model. MVVM is essentially an improved version of MVC. MVVM is simply abstracting the state and behavior of the View in it, separa ...

15 supplement 14.1 basic summary 14.1.1 data type It is divided into two categories: Basic type (value type) String: any stringNumber: any numberboolean: true,falseundefined: undefinedNull: null Object type (reference type) Object: any objectArray: special object, accessed by subscriptFunction: a special object that can be executed ...

Record pit: when axios is used in vue, it is recorded in The this keyword used in the function function of then is not the this keyword of vue! Solution: first define this keyword outside: var this = this; Then it can be used in function. 1. Summary 1.Only one page can exist Vue Instance, cannot create more than one Vue example. 2.vue Instan ...

catalogue 1, Download and installation of Jquery 1. Download and version 2. Installation 3. Advantages 2, Jquery core 3, DOM object and Jquery wrapper set object 1.DOM object 2.Jquery wrapper set object 3.DOM object to jQuery object 4.jQuery object to DOM object 4, jQuery selector 1. Foundation selector 2. Hierarchy selector 3. Fo ...