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Wes Bos & Scott Tolinski - Full Stack JavaScript Web Developers

Full Stack Developers Wes Bos and Scott Tolinski dive deep into web development topics, explaining how they work and talking about their own experiences. They cover from JavaScript frameworks like React, to the latest advancements in CSS to simplifying web tooling.

Syntax - Tasty Web Development Treats

Meta’s StyleX compiles thousands of styles into a few reusable class names at build time—zero runtime, fully type-safe. Scott and Wes break down why it’s suddenly everywhere, and why it might be the best CSS tool for AI agents.

Show Notes

00:00 Welcome to Syntax!

Syntax Ep 650

San Francisco Syntax Meetup

02:18 What Is StyleX and How Does It Work?

04:27 The Difference Between StyleX and Other CSS Scoping Methods

06:03 What People Are Saying: StyleX Is Superior for AI Agents

Jared Palmer

Adam Hutchinson

Aiden Bai

Syntax Ep 658

11:30 Type Safety and Design System Constraints

12:46 No Runtime Dependency: All Computed at Build Time

13:49 Brought to you by Sentry.io

14:13 Reusable Styles: Import, Export, and Auto-Import

17:53 Composability and Overriding Styles With JavaScript Objects

18:24 It Sucks to Write by Hand

19:25 Modern CSS Properties and Waiting for Implementation

20:58 Nested CSS and Nested Selectors Are Tricky

22:24 Alternatives: Panda CSS and CSS Modules

Syntax Ep 807

24:41 The Auto-Complete Experience: Why StyleX Shines for Agents

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1035: Why everyone is moving to Stylex?

Grokbot actually earns its keep, Cursor takes a swing at GitHub with Origin, and Omarchy Quattro ships pre-wired for nine coding agents. Plus: the GitHub outage post-mortem, a compromised Rust crate, native app vibe-coding with Dactyl, and CAD skills for your AI via nurb.dev

Show Notes

00:00 Welcome to Syntax!

00:26 Brought to you by Sentry.io

00:37 Grok’s New Agentic App: Grokbot

12:51 GitHub’s Major Outage and Postmortem

16:42 Cursor’s Origin: A GitHub Competitor

22:59 Omarchy: The Linux Distro for Nerds

29:21 CachyOS: Another Arch-Based Alternative

31:12 The $10 Million Omarchy Foundation

34:54 Dactyl: Native iOS and Android Development in the Browser

44:19 Nurb: AI-Powered 3D CAD Design

49:36 Security Stories: Supply Chain Attacks and Model Cheating

49:43 Rust Supply Chain Attack

51:34 Every Model Cheats: AI Benchmark Findings

53:13 Felony Bench: Ranking AI Models by Crimes Committed

54:19 Casio’s Smart Dumb Watch

58:43 Everything I Own Is Owned: Reverse Engineering USB Devices with AI

01:08:05 The Mystery 0x Alpha Model

01:13:48 Dactyl Returns Something

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1034: Omarchy Quattro Release

Scott and Wes run through eight new CSS, JS, and HTML features landing in browsers; including the relative alpha() color function, the progress() function for calculating values between units, Promise.allKeyed(), and native camera and microphone elements. They also get into an upgraded attr(), shrink-to-fit containers, and text-box-trim for finally killing that annoying extra space above your text.

Show Notes

00:00 Welcome to Syntax!

Wes’s Demo Site

00:22 CSS Alpha() Relative Color Function

Google Groups

02:25 Brought to you by Sentry.io

02:48 CSS CSS Progress() Function: Calculate Values Between Units

05:09 Promise.allKeyed(): Object-Based Promise Resolution

06:55 Camera and Microphone HTML Elements

09:24 Advanced CSS Attr() Function: Props for CSS

11:25 CSS Sibling-Index() and Sibling-Count() Functions

13:56 CSS Shrink-to-Fit Container

15:36 CSS Text-Box-Trim and Text-Box-Edge

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1033: 8 New CSS, JS and HTML Features You Should Know

Scott and CJ break down Stripe's $7B acquisition of OpenRouter, the SvelteKit 3 release candidate, and their first look at TanStack Charts. Plus Zed's new Delta editor, stealing reasoning traces from proprietary LLM APIs, why dark mode toggles only need two states, and all 43 quintillion Rubik's cube states in your browser.

Show Notes

 00:00 Welcome to Syntax!

 02:20 SvelteKit 3 Release Candidate

 07:43 Video editor recs

 Casey Faris

 09:58 TanStack Charts First Look

 TanStack Charts

 TanStack Charts implementations of every official shadcn/ui chart

 14:24 Ponytail AI Tool

 17:22 Zed Delta Editor

 Introducing Delta

 23:44 Stripe acquires OpenRouter for $7B+

 29:27 Stealing Reasoning Traces from Proprietary LLM APIs

 35:03 First look at Cursor’s GitHub killer

 42:34 Dark Mode UX Discussion

 46:40 Brought to you by Sentry!

 48:34 Should AI respond in plain language?

 52:57 Swamp Club Automation

 01:02:37 Fight AI slop with this anti-slop plugin

 01:03:39 Rubik’s Cube Permutations

 01:05:02 Hackweek

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1032: Stripe Buys OpenRouter for $7B

Scott and Wes answer your questions about coding in the AI era, atrophying skills from too much autocomplete, whether it’s finally time to leave VS Code, chasing flow state with agents, and which single AI subscription is worth your money. Plus: AT Protocol vs Solid, making your AI config portable across tools, and bringing Shadcn-level UX to server-rendered frameworks.

Show Notes

00:00 Welcome to Syntax!

00:57 AI-Generated Code: Are My Skills Atrophying?

06:03 Is It Time to Move On from VS Code?

13:19 Hitting Flow State with AI Coding

See Wes’ Post on X

19:15 AT Protocol vs Solid: Decentralized Web Approaches

24:55 Which AI Should You Subscribe To?

30:23 Making Your AI Setup Portable Across Tools

33:56 When to Drop a Tool That Still Works

40:12 UX Quality for Traditional Server-Side Frameworks

FluxUI

GraffitiUI

44:14 Using Hermes and Self-Hosted AI Assistants

49:27 Sick Picks + Shameless Plugs

Sick Picks

Scott: ESP32-S3

Wes: Sharge ICEMAG3

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1031: My Coding Skills Are Atrophying

An AI assistant goes rogue and hacks a gym website, a $9k surprise Cloudflare bill lands in someone’s inbox, and AI subscriptions start promising unlimited usage. Plus Meta’s Muse Glimmer, Agent Plugins, Kimi K3 in Copilot, and a pile of CSS chaos.

Show Notes

00:00 Welcome to Syntax!

02:30 Celld: self host distributed durable objects

07:57 $9k Cloudflare Bill

13:43 Ogygia - SSR islands for SvelteKit

18:49 Brought to you by Sentry.io

19:51 Standard Code - Unlimited Use AI Subscription

29:17 New Meta Model Muse Glimmer

36:12 AI Assistant Hacks Gym

46:49 This Week in AI

54:50 Prime Agent RLM harness

01:01:02 Agent Plugin Spec

01:04:08 Adam Wathan: A Token is a Token

01:07:39 New JS Runtime from Remix Creator

01:11:21 Lost phone found with Bluetooth meter

01:17:24 Center a div with browser sidebars

01:19:49 Flexwind froggy

01:21:55 Thanks for watching!

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1030: AI Assistant Hacks Gym

Nathan Sobo joins Scott and Wes to explain why Zed was built in Rust, how GPUI works, and what happens to editors once agents write most of the code. They also talk about DeltaDB, Zed’s new Git-compatible version control system, and Delta, the collaborative agentic editor it powers.

Show Notes

00:00 Start

00:35 Welcom to Syntax

01:13 The Journey to Zed: Building the Ultimate Tool

03:26 Why Rust was chosen for Zed?

06:29 Brought to you by Sentry!

07:07 Building a UI from scratch in Rust

GPUI

15:55 AI’s role in coding and development

18:42 The role of text editors in the age of AI

21:52 Delta DB: The vision for collaborative development

DeltaDB

29:06 The Evolution of Collaborative Coding

44:45 The Future of User Interfaces

52:42 Sick Picks + Shameless Plugs

Sick Picks

Scott:

Wes:

Nathan Sobo:

Keychron Q11

Grant Green - Idle Moments

Shameless Plugs

Scott:

Wes:

Nathan Sobo:

DeltaDB

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1029: The Workflow of the Future With Zed

Cloudflare is rolling out crypto wallets with claimable handles as identity, and a real React compiler finally landed for regular hooks-based code. Plus: OpenAI's pricing war, Vue Vapor benchmarks, GitHub's new npm malware scanning, and an active supply chain attack hitting 868 packages.

Show Notes

 00:00 Welcome to Syntax!

 01:02 Shai Hulud is back!

 New Shai-Hulud announcement

 Attacked keyv packages

 05:27 GitHub scans your npm packages for malware

 06:42 Your agent has a wallet now

 Make your own

 Cloudflare wallet announcement blog post

 X402 payments

 12:10 Yet another React compiler?

 Ripple.ts

 Inferno.js

 Dominic Gannaway’s launch post

 Octane

 Native Script

 Reactivity + Rendering Benchmark

 27:19 Scott switched his browser AGAIN!

 Dia

 Knock off extension

 31:56 AI Mental health survey

 32:29 OpenAI models are becoming cheaper?

 38:49 GitHub stacked PRs finally arrived

 41:48 AI video podcasts

 HeyGen launch post

 Hank Green’s unhealthy AI usage

 48:15 Brought to you by Sentry!

 49:28 News from the TC39 meeting

 ECMAScript news

 Await dictionary

 TC39 Process

 56:58 Qwen 3.8

 01:02:31 Latest and greatest in CSS and UI libraries

 Foley.dev

 Morphicons

 Lucide

 Nucleo

 8bit library

 CSS radar

 Impeccable

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1028: Cloudflare Wallets

Scott and Wes tackle your questions on the rise of the design engineer, why AI still lacks “taste” (and why it’s about more than just looks), and how to actually write tests in the age of AI-assisted coding. Plus: is AI a bubble about to burst, keeping coding agents efficient in massive codebases, introducing kids to AI, a Linux life update, and more!

Show Notes

00:00 Welcome to Syntax!

01:18 The Rise of the Design Engineer Role

08:39 Why AI Has No Taste: It’s Not Just How It Looks

14:28 Brought to you by Sentry.io

14:52 Testing in the AI Era: Are We Using AI to Write Tests?

20:09 Is AI a Bubble? Will It Burst?

The AI Bubble is Bursting on YouTube

24:35 Negative Public Sentiment Towards AI and Data Centers

30:16 Update on Scott Using Omarchy and Linux

Is The Omarchy Hype Real?

38:14 Introducing AI to Kids: A Parent’s Perspective with Dr. Courtney

49:34 Getting Hired Without AI Experience: How to Catch Up

52:53 Keeping Coding Agents Efficient: Token Usage, Speed, and Accuracy

Modem.dev Article

Fallow Docs

57:10 Sick Picks + Shameless Plugs

Sick Picks

Scott: Kitchen Sink Brush

Wes: Magnet Fishing

Shameless Plugs

Scott: Phases Podcast, Phases Podcast on YouTube

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1027: The Rise of the Design Engineer

A rogue OpenAI agent allegedly hacks Hugging Face, the React Compiler lands in Rust, and a fresh Rust full-stack framework ships. Scott, Wes, and CJ also dig into Anthropic’s $1.5B copyright settlement, Claude Opus 5, and the campaign to kill the cookie banner.

Show Notes

00:00 Welcome to Syntax!

01:03 React Compiler Ported to Rust

06:39 Vercel releases TS to Native Compiler

19:26 Standard Agent Zen Garden

29:14 In-House LLM at Netflix

34:14 Brought to you by Sentry.io

35:15 Anthropic to pay $1.5B over book piracy

38:06 Open Weights and American AI Leadership

40:27 Kimi K3 Weights Released

44:26 Claude 5 Context Engineering

45:40 Writing Code For Agents to Read

48:02 Gemini 3.6 Flash / 3.5 Flash Cyber

50:44 Qwen Image 3.0 Released

54:46 Cactus Hybrid - Fine Tune Small Models

56:06 topcoat - Rust Full Stack Framework

01:01:00 SvelteKit 3 Migration Notes

01:05:16 Canvas UI

01:07:26 Jelly UI

01:09:24 Kill the Cookie Banner

01:12:31 Hugging Face Hacked by OpenAI

01:21:27 AI Alliance for AI Safety and Security

01:24:51 htmx 4: the game for gameboy

01:29:00 Stolen Buttons

01:29:33 Fonts in Use

01:32:39 3d Splats

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1026: OpenAI Agent Hacks Hugging Face

Scott and Wes explore the experimental world of running TypeScript in Node, breaking down the differences between type stripping and compiling. They cover the pros, cons, and quirks of the current implementation, plus explore tools like tsx, ts-node, and even alternatives like Deno.
 Show Notes 00:00 Welcome to Syntax!
 00:41 Brought to you by Sentry.io.
 01:29 Running TypeScript in Node.
 01:45 Experimental Type Stripping.
 03:17 TypeScript refresher.
 04:05 TypeScript can be compiled and/or Type Stripped.
 05:09 Current Node implementation is only type stripping.
 05:40 Limitations of no compiling. 05:57 Enums.
 08:30 Other issues.
 08:35 Parameter properties.
 
 09:20 Experimental transform types.
 10:01 Importing types with type keyword.
 11:17 No need for sourcemaps.
 11:42 No dependencies. 13:08 Other tools.
 13:25 tsx.
 14:28 ts-node.
 14:44 JSDoc.
 16:30 Deno and Bun.
 
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869: Node + TypeScript in 2025

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