The less you mutate your data, the better, and the easier it will be to reason about your code. The concept of not changing values is known as immutability. Handling immutability with objects can be tricky. Here are some examples for handling various...
Fun fact: Did you know that HTML checkboxes have three built-in states, not just two? In addition to the checked state, there is also an indeterminate state. You can’t set a checkbox to indeterminate with HTML, only with JavaScript. Here’s what they ...
In earlier versions of React, you were required to use a class component instead of a function component if a component needed to manage state. If you started with a function component that later needed to use state, you would have to rewrite the fun...
Ever have trouble updating your JavaScript dependencies? Try a LIFO approach: Figure out what is the dependency that is the lowest on the dependency tree that requires an update, and start there. When I say lower on the dependency tree, I mean closer...
Redux is a powerful library, but it is also opinionated and adds boilerplate code to your application. In exchange, you get power state management and debugging tools like time travel. How can you tell if the trade-offs will be worth it for your proj...
