12h ago · 6 min read · How does Node.js work? This is the most common question that an interviewer asks in a JavaScript interview. The answer lies in the Node.js architecture, which involves mainly V8 engine libuv Node.j
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Aug 31, 2025 · 3 min read · 📌 Introduction When we think of JavaScript, most people imagine it running inside a browser—adding animations, handling clicks, or updating content without refreshing the page. But what if the same language could also run your server-side code—like ...
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Jul 30, 2025 · 4 min read · When a program performs I/O → like reading from a file or socket → two key questions arise: Does the program stop and wait for the data, or continue running? (Blocking vs Non-blocking IO) Does the program keep checking for the result, or get notifi...
Join discussionJul 4, 2025 · 4 min read · When I first used Node.js in a project, I knew what the internet told me: “Node.js is a runtime environment that lets you run JavaScript on the server side.” It sounded cool, important. But honestly?I didn’t really understand what that meant. If yo...
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Jan 27, 2023 · 3 min read · In Node.js, "non-blocking I/O (input/output) operations" refers to a programming paradigm where the execution of an I/O operation (such as reading from a file or connecting to a network) does not block or halt the execution of the program. Instead, t...
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Jan 5, 2023 · 7 min read · Introduction Welcome to the 16th lecture of our 50-day blogging series on back-end development mastery! In this lecture, we will be discussing the Node.js ecosystem and event loop. Understanding these concepts is crucial for any developer working wit...
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