VPVISHAL PRAJWAL Sinplanetinternet.hashnode.dev·May 8 · 3 min readThe Great Shapeshifter: Understanding the 'this Keyword in JavaScriptIn JavaScript, few concepts cause as much confusion for beginners as the this keyword. It feels unpredictable because its value changes depending on where and how you use it. However, once you learn t00
VPVISHAL PRAJWAL Sinplanetinternet.hashnode.dev·May 8 · 4 min readThe Heartbeat of JavaScript: The Node.js Event Loop ExplainedWhen people talk about Node.js being "fast" or "scalable," they aren't usually talking about raw CPU speed. They are talking about the Event Loop. It is the invisible conductor that allows Node.js to 00
VPVISHAL PRAJWAL Sinplanetinternet.hashnode.dev·May 8 · 4 min readBlocking vs. Non-Blocking Code in Node.jsIn the world of high-performance backend development, the terms "blocking" and "non-blocking" are more than just jargon they are the defining characteristics of how Node.js achieves its legendary scal00
VPVISHAL PRAJWAL Sinplanetinternet.hashnode.dev·May 8 · 4 min readREST API Design Made Simple with Express.jsIn the world of modern software, applications rarely live in isolation. They need a way to talk to each other, exchange data, and trigger actions. This is where APIs (Application Programming Interface00
VPVISHAL PRAJWAL Sinplanetinternet.hashnode.dev·May 8 · 4 min readThe New Standard: Why Map and Set are Essential in Modern JavaScriptFor years, JavaScript developers relied almost exclusively on Objects for key-value storage and Arrays for collections of data. While these work well for simple tasks, they carry historical baggage th00