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Syntax Snack Pack: Next.js Secrets & The Hidden CSS Performance Gem

Published 2 days ago • 2 min read

A Tasty Treats NEWSLETTER for Web Developers

Issue #42:

  • Before you choose Next.js for your next project, there are some things the docs don't tell you
  • Speed up your long lists with CSS gem 'content-visibility: auto'
  • ​Accepting Money on the Internet in 2025 - handling fraud, taxes, custom checkouts, and more
  • Plus: Sentry's pushing to standardize JavaScript debug IDs across the entire ecosystem

​Minding the gaps: A new way to draw separators in CSS​

FROM CJ

CSS gap decorations is a new proposal that would allow us to decorate gaps instead of using border color.

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​You should know this before choosing Next.js ​

selected by CJ

The author lays out some of the less advertised things about the popular framework.

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​hromium.com - Event Loop Visualized​

another one from cj

Visualize the JS event loop by scrolling down the page.

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​Introducing `content-visibility: auto` - A Hidden Performance Gem ​

cj's find!

Speed up the performance of long lists and tables with this simple css property.

​

All Hail The Algorithm

Some good stuff™ we posted this week

The Feed

New episodes 2×/week + other new video content!

​SHAMELESS PLUG​

JavaScript needs Debug IDs

Sentry is now attempting to make JavaScript debug ids not just a Sentry-specific concept - but one that exists across the entire JavaScript ecosystem.
​

did you notice that the swag shop got a redesign? new drops coming soon

Syntax 2025 × Unsubscribe​

thanks for being a part of the pack 💛 curated by: Kaitlin Bloom

Syntax

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