AAshutoshinblog.ashu.fun·2d ago · 10 min readUnderstanding Large Language Models (LLMs):Imagine This... It's a rainy evening. You walk into a huge library that contains millions of books. Every book ever written about science, history, programming, movies, cooking, business, and almost e10
AAshutoshinblog.ashu.fun·Mar 26 · 4 min readUnderstanding the this Keyword in JavaScriptThe Core Idea (Don’t Skip This) Forget all definitions. Just remember: this = who is calling the function Everything else comes from this. The Problem (Why this Feels Confusing) Same function… diff00
AAshutoshinblog.ashu.fun·Mar 26 · 4 min readMap and Set in JavaScript — Stop Overusing Objects & ArraysThe Problem (Why Objects & Arrays Aren’t Always Enough) You already use: Objects → key-value storage Arrays → list of values But they have limitations. Object Problem const obj = {}; obj[1] = "on00
AAshutoshinblog.ashu.fun·Mar 26 · 3 min readDestructuring in JavaScript — Write Less, Read MoreThe Problem (Before Destructuring) You have an object: const user = { name: "Ashu", age: 18, city: "Delhi" }; Accessing values: const name = user.name; const age = user.age; const city = user.c00
AAshutoshinblog.ashu.fun·Mar 26 · 4 min readJavaScript Promises Explained for BeginnersThe Problem (Before Promises) Let’s say you want to: Fetch data Process it Show result With callbacks: fetchData(function (data) { processData(data, function (result) { display(result); }00