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description=Welcome to the JavaScript Learning Portal! Here you will find a variety of talks, workshops, tutorials and presentations about JavaScript. Whether youre a beginner looking to learn the basics or an experienced developer looking to stay up-to-date on the latest trends in the language, this portal has something for everyone. We have organized our content into different categories so you can easily find what you need. Explore our selection of talks, workshops, tutorials and presentations today and start learning more about JavaScript!;
keywords=javascript, talks, workshops, tutorials, presentations, coding, programming, web development, web applications, software engineering, debugging, AJAX, JSON, DOM manipulation, libraries, frameworks;

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t engine as a portable webassembly module by making javascript on webassembly fast instances can be created for each request reducing latency and security risks initialization and runtime phases can be improved with tools like wiser and snapshotting resulting in faster startup times optimizing javascript performance in webassembly can be achieved through techniques like ahead of time compilation and inline caching webassembly usage is growing outside the web offering benefits like isolation and portability build sizes and snapshotting in webassembly depend on the application and more information can be found on the mozilla hacks website and bike reliance site javascript webassembly 10 years of best of js jsnation 2025 28 min 10 years of best of js michael rambeau creator of best of js and js rising stars projects michael discusses the evolution of javascript from its early days to modern server side capabilities the impact of jquery node js and single page applications with popular libraries like backbone and angularjs the emergence of ui libraries like react vue js and angular alongside meta frameworks like next js remix veltkit and solid with server components the best of js project tracks javascript project trends filters out deprecated projects and monitors github stars for maintenance the importance of maintaining project relevance adding new projects continuously and classifying projects under meaningful tags the evolution of typescript tool releases like deno and burn styling evolution from css to headless components and the impact of tailwind css analysis of css optimization cli ecosystem tooling trends emerging tools and javascript development trends over the past decade javascript temporal the curious incident of the wrong nighttime jsnation 2025 25 min temporal the curious incident of the wrong nighttime philip chimento igalia s l speaker s involvement in temporal proposal and tc39 meetings for javascript standardization date conversion challenges faced in development addressing time zone discrepancies with temporal to prevent bugs exploration of temporal types and design philosophy usage of java s time zone serialization in javascript temporal challenges in implementing temporal proposal and its transformative potential in ecmascript javascript browser api tc39 web standards temporal modern dates and times in javascript jsnation us 2024 22 min temporal modern dates and times in javascript philip chimento igalia s l i ll speak today about the temporal proposal which adds modern date and time handling to javascript temporal is an api that ll be available in browsers soon and will add a built in library for dates and times avoiding the need for external libraries like moment it offers strong typing with different types for different data such as calendar dates with or without time temporal objects are immutable and designed to work with javascript s internationalization facilities it addresses deficiencies in the global date object and introduces types like instant and plain types for accurate representation of time and dates across time zones with the old date representing a date without a time can be problematic especially in time zones where midnight is skipped due to daylight saving time temporal introduces types like plaindate plaintime plainyearmonth plainmonthday and zoneddatetime to accurately represent different scenarios additionally there is a type called duration for arithmetic operations and unit conversion now that i ve introduced you to the cast of characters in temporal it s time to show how to accomplish a programming task we ll start with an easy task getting the current time as a timestamp in milliseconds using the instant type to convert between temporal types you can either drop or add information the tozoneddatetime method is used for conversion and requires adding a time zone and a time although temporal objects are immutable you can create new objects with replaced components using the with method migrating from the old date object to temporal offers a more reliable solution and avoids potential bugs check out the documentation for more details and enjoy using temporal in your codebase javascript tc39 js runtimes web standards integrating langchain with javascript for web developers react summit 2024 92 min integrating langchain with javascript for web developers workshop free vivek nayyar dive into the world of ai with our interactive workshop designed specifically for web developers hands on ai integrating langchain with javascript for web developers offers a unique opportunity to bridge the gap between ai and web development despite the prominence of python in ai development the vast potential of javascript remains largely untapped this workshop aims to change that throughout this hands on session participants will learn how to leverage langchain a tool designed to make large language models more accessible and useful to build dynamic ai agents directly within javascript environments this approach opens up new possibilities for enhancing web applications with intelligent features from automated customer support to content generation and beyond we ll start with the basics of langchain and ai models ensuring a solid foundation even for those new to ai from there we ll dive into practical exercises that demonstrate how to integrate these technologies into real world javascript projects participants will work through examples facing and overcoming the challenges of making ai work seamlessly on the web this workshop is more than just a learning experience it s a chance to be at the forefront of an emerging field by the end attendees will not only have gained valuable skills but also created ai enhanced features they can take back to their projects or workplaces whether you re a seasoned web developer curious about ai or looking to expand your skillset into new and exciting areas hands on ai integrating langchain with javascript for web developers is your gateway to the future of web development join us to unlock the potential of ai in your web projects making them smarter more interactive and more engaging for users javascript developer experience devtools webdevelopment tailored for 2024 react summit 2024 7 min webdevelopment tailored for 2024 andrzej fricze experienced programmer and eloquent speaker andrzej has been at the forefront of the tech community orchestrating countless meetups and conferences today s talk covers native features in browsers including upcoming ones and the interop project native features offer speed compatibility and improved debugging notable examples include dynamic viewport units flexbox grid gap container queries and motion path the interop project ensures consistent web platform features across different browsers upcoming features like native css nesting and entry exit animations are on the horizon javascript performance web development innovation css future of development productivity inspiration building a js engine for fun jsnation 2024 9 min building a js engine for fun top content linus groh ecma tc39 delegate the talk discusses the basics of building a js engine highlighting the complexity and feature completeness of existing engines it emphasizes the possibility of creating a simpler engine tailored to specific use cases and target audiences the speaker suggests starting anywhere in the process and provides tips on using parser libraries implementing runtime features and ensuring correctness through testing additionally the talk encourages exploring javascript standards and engaging with the open source community javascript deep dive testing do more with less jsnation 2024 27 min testing do more with less eugene fidelin engineering manager ebay this talk focuses on practical approaches for testing node js applications including the use of dora metrics and the testing trophy strategy it emphasizes the importance of covering critical flows with integration and end to end tests while also considering the cost and speed of different test types the speaker recommends mocking third party services and using snapshot testing but warns about the potential for false positives playwright is suggested as a preferred tool and the importance of automated test execution is emphasized javascript node js testing case study peace love and javascript node congress 2024 17 min peace love and javascript robin ginn openjs foundation the openjs foundation supports the entire javascript ecosystem and thousands of open source projects they follow a neutral nonprofit organization with separate business and technical governance to minimize drama rebooting governance and addressing intellectual property can also help reduce conflicts openjs provides collaboration spaces and support in various areas for open source projects they foster a collaborative environment and invite participation in their projects javascript open source react server components unleashed a deep dive into next gen web development react day berlin 2023 149 min react server components unleashed a deep dive into next gen web development top content workshop maurice de beijer get ready to supercharge your web development skills with react server components in this immersive 3 hour workshop we ll unlock the full potential of this revolutionary technology and explore how it s transforming the way developers build lightning fast efficient web applications join us as we delve into the exciting world of react server components which seamlessly blend server side rendering with client side interactivity for unparalleled performance and user experience you ll gain hands on experience through practical exercises real world examples and expert guidance on how to harness the power of server components in your own projects throughout the workshop we ll cover essential topics including understanding the differences between server and client components implementing server components to optimize data fetching and reduce javascript bundle size integrating server and client components for a seamless user experience strategies for effectively passing data between components and managing state tips and best practices for maximizing the performance benefits of react server components javascript react server components rise of the robots testjs summit 2023 27 min rise of the robots theodore vorillas workable this talk discusses the possibility of robots taking over based on asimov s three laws of robotics it explores the use of automation robots for testing including building and controlling them the talk also covers implementing interfaces conducting math game challenges and the capabilities of automation testing it addresses questions about responsive design camera attachment and the future roadmap the affordability of the setup and the potential for future automation are also discussed along with a rapid fire q a session javascript testing automation i run code from the internet react advanced 2023 20 min i run code from the internet zbyszek tenerowicz one of the oldest members of meet js poland community npm packages are unsanitized inputs from the internet that we run without much scrutiny so we need to address the issue of malicious packages lavamote offers proactive runtime protections to automatically detect and mitigate threats lava mode uses hardened javascript to provide isolation and enforce a policy for your application s build process the talk introduces a webpack plugin for those who don t want to use the browserify ecosystem lavamote s behavior is explored showcasing how it restricts package access to certain properties beta testing is open to gather feedback and improve lava mode javascript web development security leveraging the event loop for blazing fast applications react advanced 2023 35 min leveraging the event loop for blazing fast applications michael di prisco bearded developer italian full stack and tech enthusiast this talk covers the event loop microtask queue and provides a live demo javascript is single threaded but can perform tasks that only a multithreaded environment can the event loop consists of a call stack and microtask queue which allow javascript to run non blocking operations leveraging the microtask queue can lead to significant performance improvements in applications such as react however it is important to use it correctly to avoid issues like infinite loops javascript performance web development case study game development patterns and architectures in javascript js gamedev summit 2023 28 min game development patterns and architectures in javascript top content olayinka atobiloye github today s talk covers game design and architecture including entity component systems game loops and decoupling game logic from rendering entity component systems are popular in javascript game development for representing games as entities and their components as behavior on data game loops control the flow of the game and updating its state with different architectures like fixed time step and variable time step decoupling game logic from rendering improves performance and flexibility allowing for independent updates and easy addition of new features having a clear separation of concerns in game development improves performance increases flexibility and makes debugging easier architecture javascript game development patterns unleashing object proxies building type safe wrappers for anything typescript congress 2023 16 min unleashing object proxies building type safe wrappers for anything akash joshi self taught programmer who started his journey from building video games object proxies are middleware for objects that allow control over input and output they have various use cases such as controlling data access adding logging and handling responses implementing object proxies involves transpiling calls into network requests and handling property access and method calls handling object proxy traps and errors involves faking object structure logging target objects and properties and resolving errors making api calls with object proxies involves defining the correct type making backend calls and wrapping methods to return promises object proxies are widely used in orms and rpc libraries and should be explored and experimented with javascript deep dive typescript libraries are the module types wrong typescript congress 2023 30 min are the module types wrong andrew branch one day he looked too closely at the differences between node and bundlers this talk discusses module system complexities and terminology typescript and node disagreements and fixing typescript errors with the helmet package it also explores module resolution and type disagreements challenges with typescript and node support and the need for improvements in popular packages javascript build tools typescript generating types without climbing a tree typescript congress 2023 30 min generating types without climbing a tree matteo colli...