Testing Edge Cases in Offline Invoice Tools
Offline invoice tools need careful edge case handling. Learn key checks for safe calculations, secure data handling, and cross-device support.
Tech blogReact · AI · Architecture202 articles
Tech blog · India
Tech blogs on code, architecture and AI.
Deep dives into React.js, AI and ML integration, MERN stack patterns, and lessons from building production applications at scale in India — written by Deepak Kumar.
What it covers
- javascript88 articles
- node.js80 articles
- Engineering73 articles
- devops51 articles
+ 388 more topics in the archive
202 articlesLatest · Oct 2026
Showing 55 articles tagged JavaScript. Clear filter
Lead article · JavaScript
Speeding Up JavaScript in V8 with Explicit Compile Hints
· 5 min read 2 views
V8's Explicit Compile Hints can improve JavaScript startup times by controlling which functions are compiled eagerly. Learn how to implement it.
Read the articleTypeScript 5.9: Import Defer and tsconfig.json Updates
TypeScript 5.9 introduces import defer for deferred module evaluation and a leaner tsconfig.json. Learn how these changes affect your projects.
Building a Browser-Based Keyboard Tester with JavaScript
How to implement a browser-based keyboard tester using JavaScript to detect key events, track multiple keys, and visualize inputs.
Streamline Google Ads Reporting with a Free Script for Search and PMax
A Google Ads script merges Search and PMax terms into a single report, simplifying ad performance analysis.
Enhancing JavaScript Analysis: Leveraging Control Flow Graphs
PVS-Studio introduces control flow graph support to JavaScript analysis, enhancing bug detection and code quality insights.
Understanding Cache Components in Next.js 16.3: A Real-World Experiment
Explore the implications of enabling Cache Components in Next.js 16.3 through a practical experiment with dynamic routing.
Designing Robust Form Engines: Avoiding Swedish Will Witness Pitfalls
Swedish will-witness rules in TypeScript highlight common bugs in form engines. Learn how to prevent invalid document generation.
Efficient SQL Formatting in JavaScript Without a Heavy Parser
JavaScript SQL formatting now skips heavy parsers, using simple tokenization and rules for 90% of cases.
SvelteKit 3 Release Candidate Moves Config to Vite, Alters $lib Alias
SvelteKit 3 reaches release candidate status, shifting config to Vite and retiring the $lib alias for #lib, refining the framework.
Zero-Shift A/B Testing with Next.js and Edge Middleware
Zero client-side JS and CLS with Edge Middleware in Next.js for effective A/B testing. Improve CRO without performance penalties.
Building an AI-Powered Telegram Bot: Beyond Simple Message Generation
How to construct an AI-driven Telegram bot using Node.js, Gemini, and more, focusing on reliability, scheduling, and fallback strategies.
About the author
Deepak Kumar
Sr Software Engineer at India Today Group | Aaj Tak
Building scalable web applications and Generative AI systems. Writing about React, Node.js, AI and the engineering lessons from 9+ years of production work.
More about meHiring, or need something built?
Open to senior full-stack and AI engineering roles, and to focused contract work. Delhi NCR or fully remote. I reply within 24 hours.
What I take on
Full-stack product build
React, Next.js, Node, NestJS, MongoDB and MySQL — from idea to production.
AI features that ship
OpenAI and LangChain, RAG, semantic search, content and voice automation.
Architecture and scale
Microservices, real-time pipelines and caching — proven at national news scale.
Founding engineer work
Idea to MVP to scale, with SEO and analytics built in from the start.