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Intermediate React Interview # Demo Code 1: fetch Data const [fetchData, setFetchData] = React.useState(null) React.useEffect(() => { fetch("https://randomuser.me/api/?results=20") .then((response) => response.json()) .then((re...
Review and Explore Node.js Node Globals: __dirname __filename global os, fs , http don't need install: const os = require("os") // system info const fs = require("fs") // files management const http = require("http") console.log(os.platform(), ...
Learn about TypeScript Types by Inference # let helloWorld = "Hello World"; Defining Types You can explicitly describe this object’s shape using an interface declaration: interface User { name: string; id: number; } const user: User = { name: ...
Learn about useMemo React hooks are amazing. Being able to put all the logic and state management within a function component allows for mind blowing composability. This power comes with an unfortunate limitation that calculations performed within re...
Improve Assessment - Student Profiles We noticed you assumed IDs are always integers, start at 1, and only increment by 1. This breaks when the IDs are not integers and/or do not begin at 1. You calculate the average each time the student component ...
Improve Assessment - Student Profiles Todos: IDs use useCallback and useMemo memorize the average number unable to search by full name The fetching data has first name and last name, and I never thought about someone will search the full name. I u...
