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---
number: 1033
title: 8 New CSS, JS and HTML Features You Should Know
date: 1787742000000
url: https://traffic.megaphone.fm/FSI7652910664.mp3
youtube_url: https://www.youtube.com/watch?v=Ssm0vJtJr2U
---

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](#t=00:00)** Welcome to Syntax!
* [Wes’s Demo Site](https://recent-web-feature-examples.wesbos.chatgpt.site/)
* **[00:22](#t=00:22)** CSS Alpha() Relative Color Function
* [Google Groups](https://groups.google.com/a/mozilla.org/g/dev-platform/c/AqwTSNH6gkk/m/yBAzWz9_CAAJ?pli=1)
* **[02:25](#t=02:25)** Brought to you by [Sentry.io](https://sentry.io/syntax/)
* **[02:48](#t=02:48)** CSS CSS Progress() Function: Calculate Values Between Units
* **[05:09](#t=05:09)** Promise.allKeyed(): Object-Based Promise Resolution
* **[06:55](#t=06:55)** Camera and Microphone HTML Elements
* **[09:24](#t=09:24)** Advanced CSS Attr() Function: Props for CSS
* **[11:25](#t=11:25)** CSS Sibling-Index() and Sibling-Count() Functions
* **[13:56](#t=13:56)** CSS Shrink-to-Fit Container
* **[15:36](#t=15:36)** CSS Text-Box-Trim and Text-Box-Edge

### Hit us up on Socials!

Syntax: [X](https://twitter.com/syntaxfm) [Instagram](https://www.instagram.com/syntax_fm/) [Tiktok](https://www.tiktok.com/@syntaxfm) [LinkedIn](https://www.linkedin.com/company/96077407/admin/feed/posts/) [Threads](https://www.threads.net/@syntax_fm)

Wes: [X](https://twitter.com/wesbos) [Instagram](https://www.instagram.com/wesbos/) [Tiktok](https://www.tiktok.com/@wesbos) [LinkedIn](https://www.linkedin.com/in/wesbos/) [Threads](https://www.threads.net/@wesbos)

Scott: [X](https://twitter.com/stolinski) [Instagram](https://www.instagram.com/stolinski/) [Tiktok](https://www.tiktok.com/@stolinski) [LinkedIn](https://www.linkedin.com/in/stolinski/) [Threads](https://www.threads.net/@stolinski)

Randy: [X](https://twitter.com/randyrektor) [Instagram](https://www.instagram.com/randyrektor/) [YouTube](https://www.youtube.com/@randyrektor) [Threads](https://www.threads.net/@randyrektor)
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