This vs That × map vs reduce, forEach vs for in, and more!

This vs That × map vs reduce, forEach vs for in, and more!

In this Hasty Treat, Scott and Wes do a little this vs that with map vs reduce, forEach vs for in, .hasOwnProperty() vs in vs .hasOwn(), CSS absolute + left/right/top/bottom vs transform, and more. Prismic - Sponsor Prismic is a Headless CMS that makes it easy to build website pages as a set of components. Break pages into sections of components using React, Vue, or whatever you like. Make corresponding Slices in Prismic. Start building pages dynamically in minutes. Get started at prismic.io/syntax. Sentry - Sponsor If you want to know what’s happening with your code, track errors and monitor performance with Sentry. Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health. Cut your time on error resolution from hours to minutes. It works with any language and integrates with dozens of other services. Syntax listeners new to Sentry can get two months for free by visiting Sentry.io and using the coupon code TASTYTREAT during sign up. Show Notes 01:30 Sponsor: Prismic 02:58 Sponsor: Sentry 04:21 .filter() and .map() (every, one, etc…) VS Reduce 09:17 .forEach() vs for in / for of 15:52 .hasOwnProperty() vs in vs .hasOwn() 19:37 CSS absolute + left/right/top/bottom vs transform 22:54 Object.assign({}, obj) vs {…spread} Animal Friendly idioms 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

Episoder(975)

967: What’s Going to Happen in Web Dev During 2026

967: What’s Going to Happen in Web Dev During 2026

Wes and Scott talk about their bold predictions for web development in 2026, from WebGPU-powered design and modern CSS breakthroughs to JavaScript standards, AI-driven tooling, security risks, the fut...

31 Des 202548min

966: A Look Back at Web Dev in 2025

966: A Look Back at Web Dev in 2025

Wes and Scott revisit their 2025 web development predictions, grading hits and misses across AI, browsers, frameworks, CSS, and tooling. From Temporal and AI coding agents to React, Vite, and vanilla ...

24 Des 202556min

965: Baseline 2025 Features web gained in 2025

965: Baseline 2025 Features web gained in 2025

Scott and Wes break down the biggest web platform features that reached Baseline in 2025, separating the genuinely useful APIs from the niche and forgettable ones. From same-document view transitions ...

22 Des 202526min

964: Markdown as a CMS is a bad idea

964: Markdown as a CMS is a bad idea

In this potluck episode of Syntax, Wes and Scott answer your questions about keyboard shortcuts, choosing frameworks in the age of AI, markdown vs CMSs, backup strategies, moving countries for work, s...

17 Des 20251h 3min

963: Hardware Hacking with Matt Brown

963: Hardware Hacking with Matt Brown

Scott and Wes chat with YouTuber and security consultant Matt Brown about breaking into IoT devices, extracting firmware, and decoding the hidden tech inside everyday gadgets. Matt shares his methods,...

15 Des 202558min

962: The Home Server / Synology Show

962: The Home Server / Synology Show

Wes and Scott talk about their evolving home-server setups—Synology rigs, Mac minis, Docker vs. VMs, media servers, backups, Cloudflare Tunnels, and the real-world pros and cons of running your own ha...

10 Des 202535min

961: Keeping Up With The Fast and Furious Web

961: Keeping Up With The Fast and Furious Web

Scott and CJ go live from JS Nation NYC to talk about how developers can actually stay current without drowning in the constant churn of new tools and trends. They break down how to see through the fl...

8 Des 202528min

960: Reacting to the Weird + Creative Corners of the Web

960: Reacting to the Weird + Creative Corners of the Web

Wes and Scott talk about the weird, creative corners of the web—from live-coded music with Strudel and wild Hydra visuals to shader wizardry, projection-mapping art, fully synced Christmas lights, and...

3 Des 202527min

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