Fundamentals - Web Workers and Service Workers

Fundamentals - Web Workers and Service Workers

In this episode of Syntax, Wes and Scott talk through the fundamentals of web workers and service workers - examples, when you should use them, how to debug, local dev, and more. LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax. Sanity - Sponsor Sanity.io is a real-time headless CMS with a fully customizable Content Studio built in React. Get a Sanity powered site up and running in minutes at sanity.io/create. Get an awesome supercharged free developer plan on sanity.io/syntax. Freshbooks - Sponsor Get a 30 day free trial of Freshbooks at freshbooks.com/syntax Show Notes 00:11 Welcome 04:34 What are threads? 06:12 Concurrent vs parallel 09:22 Green screen web cam example 13:02 Examples of what you could use web workers for Party Town Deno 19:52 Sponsor: LogRocket 20:42 Post Message API and Web Workers 25:57 What about WASM? 27:28 Offline sync 28:14 What are service workers? 31:20 How do you caching sites for offline use? 32:39 Web worker vs service worker 34:12 Sponsor: Sanity 35:40 What is the lifecycle of a service worker 38:18 Possible issues with Service Workers 42:46 Debugging service workers Svelte Kit Service workers Workbox 43:04 Testing and local development Service Workers notes from Wes’ Workshop 46:45 Sponsor: Freshbooks 49:59 SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: Setex Gecko Grip 1mm Anti Slip Eyeglass Nose Pads Wes: Samsung Frame TV Shameless Plugs Scott: LevelUp Tutorials Wes: Wes Bos Tutorials Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

Jaksot(1000)

1000: Syntax Episode 1,000!

1000: Syntax Episode 1,000!

Wes and Scott celebrate 1000 episodes of Syntax, reflecting on how the podcast started, the team behind it, memorable moments, listener stats, inside jokes, and how the show has evolved over time—from...

29 Huhti 1h 12min

999: Writing Maintainable CSS

999: Writing Maintainable CSS

Scott and Wes break down what makes CSS truly manageable—from preventing style leaks and embracing fluid layouts to choosing the right methodology, whether that’s utility CSS, component-scoped styles,...

27 Huhti 50min

998: How to Fix Vibe Coding

998: How to Fix Vibe Coding

Wes and Scott talk about making AI coding more reliable using deterministic tools like fallow, knip, ESLint, StyleLint, and Sentry. They cover code quality analysis, linting strategies, headless brows...

22 Huhti 44min

997: Rating and Roasting Your Projects

997: Rating and Roasting Your Projects

Scott and Wes dig into a huge batch of community-submitted projects, from JSON tools and CSS editors to AI agents, view transitions, and everything in between. It’s a rapid-fire showcase of what devel...

20 Huhti 53min

996: 10 New CSS and HTML APIs

996: 10 New CSS and HTML APIs

Wes and Scott talk about the latest CSS and browser features, including the Grid Lines API for masonry layouts, HTML in Canvas, name-only container queries, CSS random, search-text styling, and more. ...

15 Huhti 31min

995: Next.js Vendor Lock-in No More

995: Next.js Vendor Lock-in No More

In this episode, Scott and Wes sit down with Tim Neutkens and Jimmi Lai from the Next.js team to dig into the new Adapters API, what it takes to run Next.js across platforms like Cloudflare and Netlif...

13 Huhti 1h 4min

994: AI Sucks At CSS

994: AI Sucks At CSS

In this potluck episode of Syntax, Wes and Scott answer your questions about AI struggles with CSS and design workflows, learning vs relying on AI, debugging web performance, beginner soldering setups...

8 Huhti 1h

993: It’s Been A Hell Of Week

993: It’s Been A Hell Of Week

Scott and Wes break down a chaotic week in dev news — the Claude Code source leak, a nasty Axios npm supply chain hack, and Railway’s private cache exposure — plus how to keep these nightmare scenario...

6 Huhti 38min

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