--- title: Best RxJS posts of 2025 | daily.dev description: The most upvoted RxJS posts of 2025, curated by the daily.dev community. canonical: https://daily.dev/tags/rxjs/best-of/2025 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/tags/rxjs/best-of/2025 og:type: website og:site_name: daily.dev og:title: Best RxJS posts of 2025 | daily.dev og:description: The most upvoted RxJS posts of 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of RxJS — 2025 1. 1 [](/posts/react-crashout-zlq4vzivn "React Crashout") Video ThePrimeTime · 2y React Crashout React, developed by Facebook, is a popular UI framework known for its simplicity in to-do apps. However, as codebases grow to hundreds of thousands or millions of lines, maintaining and managing the code becomes increasingly challenging. The framework can lead to a 'spaghetti’ pile of code, with many developers blaming improper use rather than inherent flaws. The post discusses issues with managing state using Redux and the need for various abstractions like RxJS and effects to handle complex functionalities, leading to an inflated codebase. 55 9 2. 2 [](/posts/diving-into-reactive-programming-in-node-js-gh5q38fst "Diving Into Reactive Programming in Node.js") Article AppSignal · 48w Diving Into Reactive Programming in Node.js Reactive programming treats data streams as first-class citizens, allowing code to automatically respond to data changes. While Node.js doesn't natively support this paradigm, libraries like RxJS and Bacon.js enable it through core concepts including Observables, Observers, Subscriptions, Operators, and Subjects. The approach offers enhanced scalability, reduced coupling, and improved fault tolerance for event-driven architectures, though it introduces complexity and debugging challenges. RxJS dominates the ecosystem with 68 million weekly downloads, supporting both cold and hot observables with extensive operators for transforming data streams. Compared to imperative programming's explicit instructions, reactive programming declaratively describes what should happen in response to events, making it particularly valuable for handling complex asynchronous workflows in microservices and real-time systems. 52 3. 3 [](/posts/typescript-object-destructuring-and-you-zboeblfq8 "TypeScript object destructuring and you") Article LogRocket · 2y TypeScript object destructuring and you TypeScript object destructuring is a powerful feature that simplifies code when working with arrays and observables. By extracting variables from data structures, it enhances code readability and maintainability. This article demonstrates its application through examples, highlighting how destructuring can handle complex scenarios in observable chains effectively. 34 4. 4 [](/posts/10-angular-performance-hacks-to-supercharge-your-web-apps-in-2025-6itdvq3mo "10 Angular Performance Hacks to Supercharge Your Web Apps in 2025") Article Syncfusion · 1y 10 Angular Performance Hacks to Supercharge Your Web Apps in 2025 Comprehensive guide covering 10 advanced Angular performance optimization techniques for 2025, including zoneless change detection, signals, strategic lazy loading, deferrable views, NgOptimizedImage, enhanced SSR with PendingTasks API, tree-shaking strategies, RxJS patterns, and virtual scrolling. Each technique includes practical implementation examples, performance metrics, and common pitfalls to avoid. 31 5. 5 [](/posts/this-is-why-profiling-is-critical-for-high-performance-javascript-viktpmpnf "This is why PROFILING is critical for high performance JavaScript") Video Joshua Morony · 2y This is why PROFILING is critical for high performance JavaScript The post details how the author used browser profiling tools to identify and fix performance issues in a JavaScript game. Techniques discussed include identifying slow frames, spotting memory leaks, and using flame graphs to trace problematic code. By spreading update actions over multiple frames and cleaning up particle emitter references, significant performance improvements were achieved. 26 6. 6 [](/posts/rxjs-best-practices-in-angular-16-avoiding-subscription-pitfalls-and-optimizing-streams-kf1e5goip "RxJS Best Practices in Angular 16: Avoiding Subscription Pitfalls and Optimizing Streams") Article InfoQ · 1y RxJS Best Practices in Angular 16: Avoiding Subscription Pitfalls and Optimizing Streams The post discusses RxJS best practices in Angular 16, focusing on optimizing streams and avoiding subscription pitfalls. Key strategies include using AsyncPipe for template bindings to manage unsubscriptions, employing RxJS operators like switchMap and mergeMap for stream flattening, and adopting Angular signals for efficient state management. These practices ensure future-proof and maintainable code in upcoming Angular versions. 22 1 7. 7 [](/posts/senior-angular-interview-questions-ivgfz61od "Senior Angular Interview Questions") Article This is Angular · 1y Senior Angular Interview Questions A comprehensive collection of technical interview questions for senior Angular developers, covering core concepts like component communication, NgZone, dependency injection, signals vs observables, RxJS operators, and change detection optimization. The questions range from fundamental Angular patterns to advanced topics like higher-order observables, resolution modifiers, and the diamond problem in reactive programming. Each question includes detailed explanations and code examples to help assess deep framework knowledge and problem-solving abilities. 20 [See all RxJS archives](/tags/rxjs/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/tags/rxjs/best-of/2025#page","url":"https://daily.dev/tags/rxjs/best-of/2025","name":"Best RxJS Posts of 2025","description":"The most upvoted RxJS posts of 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/tags/rxjs/best-of/2025#items","numberOfItems":7,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/react-crashout-zlq4vzivn","name":"React Crashout"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/diving-into-reactive-programming-in-node-js-gh5q38fst","name":"Diving Into Reactive Programming in Node.js"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/typescript-object-destructuring-and-you-zboeblfq8","name":"TypeScript object destructuring and you"},{"@type":"ListItem","position":4,"url":"https://daily.dev/posts/10-angular-performance-hacks-to-supercharge-your-web-apps-in-2025-6itdvq3mo","name":"10 Angular Performance Hacks to Supercharge Your Web Apps in 2025"},{"@type":"ListItem","position":5,"url":"https://daily.dev/posts/this-is-why-profiling-is-critical-for-high-performance-javascript-viktpmpnf","name":"This is why PROFILING is critical for high performance JavaScript"},{"@type":"ListItem","position":6,"url":"https://daily.dev/posts/rxjs-best-practices-in-angular-16-avoiding-subscription-pitfalls-and-optimizing-streams-kf1e5goip","name":"RxJS Best Practices in Angular 16: Avoiding Subscription Pitfalls and Optimizing Streams"},{"@type":"ListItem","position":7,"url":"https://daily.dev/posts/senior-angular-interview-questions-ivgfz61od","name":"Senior Angular Interview Questions"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Tags","item":"https://daily.dev/tags"},{"@type":"ListItem","position":3,"name":"RxJS","item":"https://daily.dev/tags/rxjs"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/tags/rxjs/best-of"},{"@type":"ListItem","position":5,"name":"2025"}]}]} ```