Node.js Internals (How node.js works under the hood)
Note: This article is based on Node.js v26.3.0 and Libuv v1.48.0
Most people don't know that Node.js runs JavaScript on a single thread. This often raises an important question and that question moti
blog.ronishmaharjan.info.np19 min read
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Great breakdown! Love that you explicitly mentioned Libuv's internal min-heap for managing timers instead of just hand-waving it as a simple 'queue.' Highlighting that the Event Loop doesn't even kick in until the initial synchronous phase completes is a crucial nuance that explains exactly why Node.js can get blocked. Excellent write-up!