Say you want to start a countdown timer when a user presses a "Start button". How would you build this in React? One common way I see - and it's even suggested by ChatGPT - is to have a state variable that remembers if the timer ...
The Intersection Observer API allows us to easily check if two items are intersecting. Here is a simple example that checks when the user has reached the end of the page: 0:00/1× In plain Javascript, you would use the Intersection Observer API as follows: <html> < ...
Building a custom backend for your apps can be fun and is definitely something I recommend doing at some point. But when you're in the middle of learning React and you just want to practice frontend concepts, it's great if you don't have to ...
The official React docs recommend using a framework with React, but sometimes you don't need all the bells and whistles that come with that. Vite is the recommended alternative and it even provides a command line tool to scaffold a basic React project. So why do you need ...
28 days of focused practice of increasing difficulty, going through everything from Fundamentals, Data fetching, Forms and using Intervals in React.
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