Final week: the July 250 Sale for Web Component Engineering ends July 31. Use JULY250 to save $250. Go deep on Web Components, design systems, app architecture, modern CSS, forms, accessibility, and the Web Platform. bluespire.com/course/web-c...

Design systems, routing, app shells, forms, accessibility, CSS, tooling, and Web Components all through modern Web Standards. That’s Web Component Engineering: not just components, but UI engineering on the platform. Save $250 with JULY250. bluespire.com/course/web-c...

AI agents work best with clear constraints. A standards-first UI codebase gives them exactly that: HTML, DOM, Custom Elements, CSS, forms, accessibility, routing. Learn that vocabulary in Web Component Engineering. $250 off in July: JULY250. bluespire.com/course/web-c...

Web Components are more than a component model. They’re a way to build UI on durable Web Platform primitives. My course covers custom elements, Shadow DOM, CSS, a11y, forms, design systems, routing, apps, and tooling. $250 off in July with code JULY250. bluespire.com/course/web-c...

July 250 Sale: to mark America’s 250th birthday, I’m offering $250 off my Web Component Engineering course through July 31. Use code JULY250. 13 modules. 170+ videos. Web Components, DOM APIs, CSS, a11y, forms, design systems, apps, tools, and more. Link below...

If your software runs on my device, you don’t get to treat my resources as free. That’s mine. You’re spending my CPU, battery, memory, and data plan. That’s my time and money. Respect your users. Burning server cycles isn't the same; the ethical bar for the client is higher.

Only a few days left to get 25% off my Web Component Engineering course. Use code GOODTIDINGS25 before Jan 10: bluespire.com/course/web-c... Web Components, DOM, modern CSS, a11y, forms, design systems & more.

Merry Christmas! "For to us a child is born, to us a son is given; and the government shall be upon his shoulder, and his name shall be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace." - Isaiah 9:6

I heard some folks missed my recent Web Component Engineering course sale, so I’m running one more: ✅ 25% off w/ code GOODTIDINGS25 ✅ Through the 1st week of 2026 Web Components, DOM APIs, modern CSS, a11y, forms, design systems, tools, and more! bluespire.com/course/web-c...

🚀 I’m running a Thanksgiving sale on my Web Component Engineering course. Through Nov 30, you can get 25% off with the code GRATITUDE25. bluespire.com/course/web-c...

Default Isn’t Design. Familiar feels true but often isn’t. I wrote about the psychology (System Justification) behind framework monoculture, the quiet costs it creates, and a standards-first path that still meets teams where they are. Reflex → Evidence → Contracts → Users.

I had an interview for a Distinguished Engineer role at a big company yesterday... It convinced me once again that most big companies don't know how to do quality, performance mature engineering.

Hey friends! 🚀 I’m running the biggest sale ever on my Web Component Engineering course: 25% off through July 🎉 It’s full of hands-on, flexible training to help you build components, design systems, and apps. Use code SUMMERFUN to get it now! (Link in the follow up.) #webcomponents #frontenddev

The problem isn't that AI is actually capable of replacing software engineers. It isn't. Not even close. The problem is that there are a bunch of ignorant, foolhardy people in leadership positions who *think* that AI can replace software engineers. This is causing real harm.

Yo dawg, I heard you like stylesheets, so I put stylesheets in your stylesheet. This would be rad for adoptedStylesheets in shadowRoots or any framework that imports styles. It's like an SVG sprite sheet for stylesheets. github.com/MicrosoftEdg...

There's only one more day to get the Web Component Engineering course 15% discount! Use code DRIVE at checkout before the sale ends tomorrow! bluespire.com/p/web-compon...

Web Component Engineering

A comprehensive front-end engineering course focused on Web Components and modern Web Standards.

bluespire.com

"For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace." - Isaiah 9:6 Merry Christmas!

One of my boys is turning 15 and will be getting his learner's permit. In celebration of this joyous (and terrifying) moment, I'm doing one more sale on the Web Component Engineering course this year. Get it at 15% off using code DRIVE for the next month. www.bluespire.com/p/web-compon...

Web Component Engineering

A comprehensive front-end engineering course focused on Web Components and modern Web Standards.

bluespire.com

Just completed your course. Great stuff. Thanks for putting it together!

A new proposal for Scoped Custom Element registries has been put forward by Apple. 🎉 github.com/whatwg/html/... Key improvements include: * Enables any element, not just ShadowRoot, to have an associated registry. * Unifies element creation & cloning APIs across DOM scopes. * Integrates with DSD

Revamped Scoped Custom Element Registries · Issue #10854 · whatwg/html

https://github.com/WICG/webcomponents/blob/gh-pages/proposals/Scoped-Custom-Element-Registries.md is a good proposal, but it ties the functionality too much to shadow roots. This is Ryosuke and I's...

github.com

The 20% off sale on my Web Component Engineering course ends at 11:59pm EST this Sunday, December 8th. Do not wait until next week! Use code GRATITUDE at checkout before time is up. www.bluespire.com/p/web-compon...

Web Component Engineering

A comprehensive front-end engineering course focused on Web Components and modern Web Standards.

bluespire.com

A very practical blog post from Nolan Lawson on the nuances of Web Component resource cleanup. nolanlawson.com/2024/12/01/a...

Avoiding unnecessary cleanup work in disconnectedCallback

In a previous post, I said that a web component’s connectedCallback and disconnectedCallback should be mirror images of each other: one for setup, the other for cleanup. Sometimes, though, yo…

nolanlawson.com

Starting today and for the next two weeks, I'm offering 20% off the Web Component Engineering course! Use code GRATITUDE at checkout. Team discounts and PPP pricing are also available. Reach out to me and I'll put together a package for your team. www.bluespire.com/p/web-compon...

Web Component Engineering

A comprehensive front-end engineering course focused on Web Components and modern Web Standards.

bluespire.com

📢 TypeScript 5.7 is here! Now with ✅ Better checks for uninitialized variables ✅ Smarter tsconfig lookup in editors ✅ Improved startup time ✅ Stricter checks for JSON imports ✅ Extension rewrites for relative imports and more! Try it today! devblogs.microsoft.com/typescript/a...

Announcing TypeScript 5.7 - TypeScript

Today we excited to announce the availability of TypeScript 5.7! If you’re not familiar with TypeScript, it’s a language that builds on JavaScript by adding syntax for type declarations and annotation...

devblogs.microsoft.com

Implemented scoped custom element registry in WebKit: commits.webkit.org/286828@main We now have two interoperable implementations!

Enable scoped custom element registry by default · WebKit/WebKit@f4b8ec1

https://bugs.webkit.org/show_bug.cgi?id=283379 Reviewed by Wenson Hsieh. Enable this feature by default now since it passes all web platform tests except ones for customized builtins. * Source/W...

commits.webkit.org