Formatting dates and times in JavaScript with Temporal and the Internationalization API
Human-readable dates and times without a library

Get a Unix timestamp with the Temporal API
Get a Unix timestamp using Temporal.Instant or Temporal.ZonedDateTime

Date pickers and the Temporal API
ISO 8601, date and time inputs, and the Temporal API

Temporal: a modern JavaScript API for date and time
Dates and time in JavaScript

Cookie Store API
A modern asynchronous alternative to document.cookie

CSS @import is cool, actually
Importing CSS into a cascade layer. Conditionally importing CSS with feature queries and media queries. @import vs <link>

A more powerful CSS attr() function
Fallback values and non-string values, for any CSS property, not just content

The best approach to SVG icons
Inline SVG, <use>, <symbol>, spritesheets, JSX...

Are icon fonts a bad practice?
Icon fonts in 2024. Icon fonts vs SVG. Performance, a11y, etc.
Centering things: a solved problem?
Vertical and horizontal centering without grid or flexbox, text-box-trim, and centering an absolutely positioned element
