All TechSheets

#javascript

33 articles

Mastering React 19 useOptimistic and Server Actions for Zero-Latency UX
React19

Mastering React 19 useOptimistic and Server Actions for Zero-Latency UX

An architectural deep-dive into React 19's native optimistic UI primitives. Learn how to eliminate interface lag, manage asynchronous states, and gracefully handle server rollbacks.

T
Thanga·
7 min read
Beyond Virtual Scrolling: DOM Performance at Scale with CSS content-visibility and IntersectionObserver
frontendperformance

Beyond Virtual Scrolling: DOM Performance at Scale with CSS content-visibility and IntersectionObserver

Discover how to render 100,000+ DOM nodes at 60fps without heavy JavaScript virtualization libraries. A technical deep-dive into content-visibility and IntersectionObserver.

T
Thanga·
7 min read
Demystifying INP: How to Use scheduler.yield() to Build Ultra-Responsive Web Apps
WebPerformance

Demystifying INP: How to Use scheduler.yield() to Build Ultra-Responsive Web Apps

Learn how to optimize your Interaction to Next Paint (INP) score using the revolutionary new scheduler.yield() API. Dive into real-world code examples for React and Vanilla JS.

T
Thanga·
7 min read
Mastering the Scheduler API: How to Stop Long Tasks from Ruining Your Core Web Vitals
WebPerformanceJavaScript

Mastering the Scheduler API: How to Stop Long Tasks from Ruining Your Core Web Vitals

A deep-dive into the native Scheduler API and cooperative multitasking. Learn how to eliminate Interaction to Next Paint (INP) issues, optimize long-running JavaScript tasks, and keep your React/Angular apps running at 60 FPS.

T
Thanga·
9 min read
Deep-Dive: Mastering React 19 Server Actions and useOptimistic for Zero-Latency UX
React19

Deep-Dive: Mastering React 19 Server Actions and useOptimistic for Zero-Latency UX

Learn how to leverage React 19 Server Actions and the useOptimistic hook to build blazing-fast, state-syncing UI without the boilerplate of Redux or global state.

T
Thanga·
7 min read
Mastering React 19 Actions: Architecting Zero-Boilerplate Async UI Workflows
React19

Mastering React 19 Actions: Architecting Zero-Boilerplate Async UI Workflows

Stop writing redundant loading and error states. Discover how React 19's new Actions API, useActionState, and useOptimistic simplify asynchronous state management.

T
Thanga·
7 min read
Deep Dive: Mastering React 19's useTransition and useOptimistic for Zero-Latency User Experiences
ReactWeb

Deep Dive: Mastering React 19's useTransition and useOptimistic for Zero-Latency User Experiences

Learn how React 19's transition APIs and useOptimistic hook manage concurrent UI states under the hood. Build a high-performance, rollback-safe optimistic UI from scratch.

T
Thanga·
8 min read
Next-Level State: Architectural Patterns for React 19's useActionState and useOptimistic
React19

Next-Level State: Architectural Patterns for React 19's useActionState and useOptimistic

Master the brand-new React 19 async state paradigms. Learn how to implement useActionState and useOptimistic with real-world, production-ready code patterns that slash boilerplate and eliminate race conditions.

T
Thanga·
7 min read
Cracking the Code on SPA Memory Leaks: Hunting Detached DOM Nodes and Closure Clutter
javascriptperformance

Cracking the Code on SPA Memory Leaks: Hunting Detached DOM Nodes and Closure Clutter

Master the art of debugging JavaScript memory leaks. Learn how to identify, trace, and resolve detached DOM nodes and closure leaks in React and Angular using Chrome DevTools.

T
Thanga·
8 min read
Mastering React Server Components: A Senior Architect’s Guide to the Post-useEffect Era
ReactWeb

Mastering React Server Components: A Senior Architect’s Guide to the Post-useEffect Era

Dive deep into React Server Components (RSC). Learn how to eliminate client-side bloat, optimize performance, and simplify data fetching in modern React applications.

T
Thanga·
6 min read
Mastering the React Compiler: Why You Might Never Need useMemo Again
ReactPerformance

Mastering the React Compiler: Why You Might Never Need useMemo Again

A technical deep-dive into the React Compiler (React Forget). Learn how automatic memoization works, explore real-world code comparisons, and understand the future of React performance.

T
Thanga·
6 min read
Beyond the Hydration Hump: Mastering Selective Islands and Server Components for Peak Performance
ReactWeb

Beyond the Hydration Hump: Mastering Selective Islands and Server Components for Peak Performance

Discover how to eliminate the 'uncanny valley' of web performance by shifting from full hydration to Selective Islands and React Server Components.

T
Thanga·
6 min read
Beyond Hooks: Mastering Signals for High-Performance Reactivity in Modern Front-End Apps
ReactAngular

Beyond Hooks: Mastering Signals for High-Performance Reactivity in Modern Front-End Apps

A technical deep-dive into Signals: the fine-grained reactivity pattern revolutionizing React, Angular, and Vue. Learn how to eliminate unnecessary re-renders and optimize performance.

T
Thanga·
6 min read
Mastering Island Architecture: How to Achieve 100 Lighthouse Scores with Astro and React
AstroWeb

Mastering Island Architecture: How to Achieve 100 Lighthouse Scores with Astro and React

A deep-dive into Island Architecture and Partial Hydration. Learn how to optimize web performance by shipping less JavaScript without sacrificing interactivity.

T
Thanga·
6 min read
Beyond the Waterfall: Mastering the Render-as-You-Fetch Pattern in React
ReactPerformance

Beyond the Waterfall: Mastering the Render-as-You-Fetch Pattern in React

Stop data fetching waterfalls in your React applications. Learn how to leverage React Suspense and Server Components to build blazing-fast, non-blocking user interfaces.

T
Thanga·
5 min read
Beyond the Virtual DOM: Mastering the Signal Pattern for High-Performance UI
FrontendArchitecture

Beyond the Virtual DOM: Mastering the Signal Pattern for High-Performance UI

Discover why the industry is moving from Virtual DOM diffing to Signals. A deep dive into fine-grained reactivity, its performance benefits, and how to implement it.

T
Thanga·
6 min read
Mastering Fine-Grained Reactivity: Why Signals Are the Future of React Performance
ReactSignals

Mastering Fine-Grained Reactivity: Why Signals Are the Future of React Performance

Deep-dive into fine-grained reactivity and Signals in React. Learn how to eliminate unnecessary re-renders, optimize high-performance UIs, and integrate modern state patterns.

T
Thanga·
5 min read
Beyond the Hydration Cliff: Mastering Resumability and Signals in Modern Front-End Architecture
PerformanceWebArchitecture

Beyond the Hydration Cliff: Mastering Resumability and Signals in Modern Front-End Architecture

Discover how Signals and Resumability are solving the 'Hydration Gap' in web development. A technical deep-dive into modern performance optimization for Senior Architects.

T
Thanga·
5 min read
Beyond Monoliths: A Technical Deep-Dive into Module Federation for Enterprise Front-Ends
Micro-frontendsModule

Beyond Monoliths: A Technical Deep-Dive into Module Federation for Enterprise Front-Ends

Master the art of Micro-frontends with Module Federation. Learn how to decouple large applications, share dependencies efficiently, and scale your front-end architecture in 2024.

T
Thanga·
6 min read
Beyond the Virtual DOM: Mastering Fine-Grained Reactivity with Signals in React and Beyond
WebPerformance

Beyond the Virtual DOM: Mastering Fine-Grained Reactivity with Signals in React and Beyond

A technical deep-dive into the shift from Virtual DOM reconciliation to fine-grained reactivity. Learn how Signals are revolutionizing state management in React, Angular, and SolidJS.

T
Thanga·
6 min read
Mastering useSyncExternalStore: The Architect’s Guide to Solving State Tearing in React
ReactWeb

Mastering useSyncExternalStore: The Architect’s Guide to Solving State Tearing in React

Stop overusing useEffect for external state. Learn how to use useSyncExternalStore to handle concurrent rendering, prevent state tearing, and build high-performance React applications.

T
Thanga·
5 min read
Beyond Try-Catch: Building Self-Healing Front-End Architectures with React and AI
ReactAI

Beyond Try-Catch: Building Self-Healing Front-End Architectures with React and AI

Discover how to move beyond basic error boundaries to create self-healing UIs using React and AI-driven diagnostic agents. A deep dive into resilient front-end systems.

T
Thanga·
5 min read
Mastering React Performance: Render Orchestration and Advanced State Partitioning Patterns
ReactPerformance

Mastering React Performance: Render Orchestration and Advanced State Partitioning Patterns

Learn how to optimize large-scale React applications using state partitioning and render orchestration. Move beyond React.memo to build truly scalable front-end architectures.

T
Thanga·
6 min read
Beyond useState: How Signals are Revolutionizing High-Performance Front-End Architecture
ReactSignals

Beyond useState: How Signals are Revolutionizing High-Performance Front-End Architecture

A technical deep-dive into fine-grained reactivity using Signals in React. Learn how to bypass the Virtual DOM bottleneck and build ultra-fast web applications.

T
Thanga·
6 min read
Mastering Fine-Grained Reactivity: Why Signals are the Future of React State Management
ReactWeb

Mastering Fine-Grained Reactivity: Why Signals are the Future of React State Management

A technical deep-dive into fine-grained reactivity in React. Learn why signals are replacing traditional state patterns, reducing re-renders, and boosting application performance.

T
Thanga·
6 min read
Mastering React Server Components and Edge Runtime: The Architect's Guide to Instant-Load Apps
ReactNextJS

Mastering React Server Components and Edge Runtime: The Architect's Guide to Instant-Load Apps

Stop fighting waterfalls and bundle sizes. Dive deep into React Server Components (RSC), the Edge runtime, and how to architect the next generation of high-performance web applications.

T
Thanga·
6 min read
Master the Shift: From VDOM Hydration to Signals and Resumability
WebPerfFrontend

Master the Shift: From VDOM Hydration to Signals and Resumability

A technical deep-dive into how modern frontend frameworks are ditching heavy hydration for lightweight Signals and Resumability to optimize Core Web Vitals like INP and LCP.

T
Thanga·
6 min read
The Frontend Architecture Playbook: Scaling Systems Without Breaking Teams
FrontendArchitecture

The Frontend Architecture Playbook: Scaling Systems Without Breaking Teams

Learn how to design scalable frontend systems using micro-frontends, strategic state management, and architectural patterns that reduce technical debt.

T
Thanga·
6 min read
Beyond the Virtual DOM: A Deep-Dive into Fine-Grained Reactivity and Signals
WebDevelopment

Beyond the Virtual DOM: A Deep-Dive into Fine-Grained Reactivity and Signals

Discover how Signals and fine-grained reactivity are redefining front-end performance, comparing React's VDOM approach with Angular and SolidJS.

T
Thanga·
6 min read
Modern Web Architecture: Evolution from Monoliths to Micro-frontends
Micro-frontendsWeb

Modern Web Architecture: Evolution from Monoliths to Micro-frontends

Explore the architectural shift from monolithic systems to micro-frontends. Learn how to scale frontend development using Module Federation and vertical slicing.

T
TechSheet·
5 min read
Mastering Modern Web Performance: Architecting for Sub-Second Latency
WebPerformanceFullStack

Mastering Modern Web Performance: Architecting for Sub-Second Latency

A comprehensive guide for full-stack architects on optimizing modern web applications using advanced rendering patterns, network protocols, and infrastructure strategies.

T
TechSheet·
5 min read
Understanding Javascript
JavascriptCHEATSHEET

Understanding Javascript

I’ve listed out all the mainstream Javascript tags as well as the new Javascript tags.

T
Thanga·
4 min read
Understanding Promises in Javasript
JavascriptInterview

Understanding Promises in Javasript

Learning about Promises in Javascript

T
Thanga·
3 min read