Programmer Think

Abstract: This paper mainly introduces several proposals that have entered stage 4, which are expected to be gradually incorporated into the standard in 2022. This article is shared from Huawei cloud community< 8 new JavaScript features you should try in 2022 >, author: front end picker. Since the joint release of JavaScript by Netscape a ...

nodejs understanding Just as java needs a jvm virtual machine to run, js execution can be executed in the browser. Usually, we execute through the chrome console command window, that is, the browser supports js operation. nodejs is such a platform that can run js without the browser node is a javascript running environment (platform) used to ...

Vuex 1. Concept A Vue plug-in that implements centralized state (data) management in Vue. It centrally manages (reads / writes) the shared state of multiple components in Vue applications. It is also a way of communication between components and is suitable for communication between any components 2. When to use? When multiple components ne ...

Preliminary study on design mode Singleton mode Variables are defined internally and judged by closures. If they do not exist, new variables are generated Strategy mode Consistent with the principle of single responsibilityAdd or reduce strategies without major changes to the original codeThere are many ways to deal with the same ...

1, Data types in Ts Before introducing data types, first explain the declaration and assignment methods in ts. 1) Declare first and assign value when necessary: let c:number; c=5 2) Direct assignment after declaration let c:boolean = true; 3) After direct assignment, the variable type defaults to the type at the first assignment an ...

preface For students with JavaScript foundation, it is actually easy to get started with TypeScript. You can gradually transition from JS application to TS application by simply mastering its basic type system. // js const double = (num) => 2 * num // ts const double = (num: number): number => 2 * num However, when the application b ...

🖼️ preface Recently, I used vue3 and ts to play with some gadgets. I found that a common requirement in normal development is the rendering of data list. Now I study again and find that many design specifications and logic I considered when learning vue2 are not particularly appropriate. Therefore, write this article to record the desig ...

React is a library developed, open-source and maintained by facebook, and the meaning of react is to use JavaScript to realize user interaction - a JavaScript library for building user interfaces. Therefore, in essence, React is a library, and its role is to use JavaScript to realize user interaction. Its core idea is to use JavaScript to ...

Blog address Address of my personal blog 👉👉 Click to enter Open source project address This is my project of an open source collection website Project address 👉👉 Click to enter , it can be directly set as the browser home page or desktop shortcut for use. I am using it and maintain it for a long time. Completely open source, you can re ...

Three principles for writing JavaScript: each responsible component encapsulation process abstractionEach party shall take its own responsibilityHTML/CSS/JavaScript each has its own responsibilitiesHTML -> Structural ; CSS -> Presentational ; JavaScript -> BehavioralUnnecessary direct manipulation of styles by JS should be avoidedYou c ...