JavaScript
Introduction to React: Components and Props
React changed the way we think about frontend development by introducing the component model. In React, everything is a component—a reusable piece of UI…
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Getting Started with Node.js and NPM
JavaScript used to be confined to the browser. Then Node.js came along and allowed us to run JavaScript on the server. For a beginner, installing Node also…
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Array Methods: Map, Filter, and Reduce
If you’re coming from another language, you might use for loops to manipulate arrays in JavaScript. While that works, the functional array methods—map…
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Local Storage vs. Session Storage vs. Cookies
When I needed to save a user's theme preference (dark mode) on my first web app, I was confused by the options. Cookies are the old school way. They are se…
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The JavaScript Event Loop: How Asynchronous Code Works
JavaScript is single-threaded, which means it can only do one thing at a time. So how does it handle fetching data from an API without freezing the entire…
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JavaScript Closures: The Concept That Finally Clicked
JavaScript closures were my personal nemesis for a solid six months. I could read about them, but I never understood why I would use them until I started b…