A war between React and Vue: Battle of Vite. — Recently the React team is updating the React documentation. Taking this opportunity, Evan You, the creator of Vuejs, made a suggestion to the React development team: CRA stands for create-react-app. Vite is a build tool that aims to provide a faster and leaner development experience for modern web projects…

In the following two lines of code, we use two different ways to create strings: let name1 = 'bytefish' let name2 = new String('bytefish') So is there any difference between these two ways? The difference between them is mainly reflected in the memory allocation. We know that in JavaScript, all…

Digging into the classic problem — Now when we develop React projects, we generally use Hooks. But in the development process, we often encounter some problems. The most classic problem is the closure trap of React Hooks. Some friends may have encountered similar problems, but they may not understand this problem from the underlying principles of…

Recently I was developing a side project Web App that used localStorage to store some data on the client-side. But when using localStorage, I made several mistakes, which led to bugs in the App. Below I share some of my experiences and lessons. The Story Each user in the project has a…

The previous Promise Challenges mainly discussed the execution timing of Promise in asynchronous programming. And in this article, we’re going to discuss the usage of these core APIs for Promise objects. Here I provide 10 Code Snippets, you need to guess the execution result of this program. Are you ready…

Cracking the interview questions — Closures are one of the core concepts in functional programming, and it is must-have knowledge for every JavaScript developer. Here I have prepared 10 closure challenges, many of which are frequently asked in interviews. Are you ready, challenger? Enjoy this journey! Each challenge is a code snippet, and you need…

Explained with diagrams — The Promise is the key feature of JavaScript asynchronous programming. Whether you love it or hate it, you have to understand it. Here I’ve provided code challenges of Promise, from basic to advanced. There are 10 code snippets. And you should guess the output. …

I have a friend who is an experienced frontend developer. And he has worked on multiple complex frontend projects. Recently he was looking for a new job and had several interviews. But one of them had an unpleasant interview experience, and he shared it with me. Here’s the thing. When…

We all want to be irreplaceable. Here are some rules for coders. 1. Always Reinvent The Wheel When encountering some common software problems, you should try to solve the problem yourself. …