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Articles tagged with #chaicode
Audience: Developers familiar with Node.js basics. No prior TypeScript experience required. TypeScript adds static typing and better tooling to Express. This guide sets up a production-ready Express +
Problem You've written constructor functions. You've used new. But if someone asked you to explain what JavaScript does internally when new runs — step by step — could you? Most developers can't, and
Template literals replace messy string concatenation with readable, expressive syntax. They support embedded expressions, multi-line strings, and tagged templates — all with zero libraries. If you're
"I thought I knew strings. Then an interview asked me to implement .includes() from scratch — and I froze." 🌍 Why This Problem Matters Here's the thing: JavaScript is everywhere. But JavaScript eng
Written by Saurabh Prajapati Software Engineer @ IBM India Software Lab 🔥 Hook — The Moment That Confused Me I remember the first time I saw this in someone's code: fs.readFile('data.txt', function
By Saurabh Prajapati · Full-Stack Engineer at IBM India Software Lab · WebDev Cohort 2026 The Real Problem: Code Without Boundaries Before we even talk about modules, let me paint a picture of what l
