ntainer.

[ Read more â  ](./scroll-progress-animations-in-css/) [ ![A mandala pattern
created out of plain text characters.](./ai-explain-postmortem/mandala.png)
](./ai-explain-postmortem/)

##  [ Reflections on AI Explain: A postmortem ](./ai-explain-postmortem/)

![Author avatar](/en-US/blog/author/mdn-team/avatar.svg) The MDN Team  July
11, 2023  10  minute read

We recently launched a feature called AI Explain, but we have rolled this back
for now. In this post, we look into the story behind AI Explain: its
development, launch, and the reasons that led us to press the pause button.

[ Read more â  ](./ai-explain-postmortem/) [ ![Dev essentials: how to search
code using grep title. Learn how to use fast and powerful search in the
terminal subtitle. A vibrant gradient behind artwork of a terminal with some
example commands and a keyboard.](./searching-code-with-grep/search-code-
using-grep.png) ](./searching-code-with-grep/)

##  [ Developer essentials: How to search code using grep ](./searching-code-
with-grep/)

[ ![Author avatar](/en-US/blog/author/brian-smith/avatar.jpg) Brian Smith
](https://github.com/bsmth/) July 3, 2023  9  minute read

grep is a powerful tool for searching code from the terminal. This post will
show you how to use grep and why it's an essential developer tool.

[ Read more â  ](./searching-code-with-grep/) [ ![Image of OpenAI logo with
MDN design](./introducing-ai-help/mdn-ai-help.png) ](./introducing-ai-help/)

##  [ Introducing AI Help (Beta): Your Companion for Web Development
](./introducing-ai-help/)

[ ![Author avatar](/en-US/blog/author/hermina-condei/avatar.jpg) Hermina
Condei ](https://www.linkedin.com/in/hermina-condei/) June 27, 2023  3  minute
read

We're introducing an AI assistant powered by MDN and OpenAI GPT 3.5 to answer
all your web development questions in real time.

[ Read more â  ](./introducing-ai-help/) [ ![Learn how to use hue in CSS
colors title. Explore color wheels and hues with HSL subtitle. A vibrant
gradient behind artwork of a laptop and keyboard.](./learn-css-hues-colors-
hsl/css-hues-colors.png) ](./learn-css-hues-colors-hsl/)

##  [ Learn how to use hue in CSS colors with HSL ](./learn-css-hues-colors-
hsl/)

[ ![Author avatar](/en-US/blog/author/brian-smith/avatar.jpg) Brian Smith
](https://github.com/bsmth/) June 26, 2023  8  minute read

Hues are a bright way to define colors in CSS. Learn about hues, color wheels,
how to use color functions, and how you can create vibrant color palettes for
your website using hue.

[ Read more â  ](./learn-css-hues-colors-hsl/) [ ![](./introducing-the-mdn-
playground/play.png) ](./introducing-the-mdn-playground/)

##  [ Introducing the MDN Playground: Bring your code to life!
](./introducing-the-mdn-playground/)

[ ![Author avatar](/en-US/blog/author/florian-dieminger/avatar.jpg) Florian
Dieminger ](https://github.com/fiji-flo) June 22, 2023  6  minute read

MDN is launching a code Playground. Users can prototype ideas and expand all
live samples into an interactive experience.

[ Read more â  ](./introducing-the-mdn-playground/) [ ![MDN doc updates: CSS
selectors and media queries, WebGPU and WebTransport APIS, Progressive web
apps. June 12, 2023. A vibrant gradient behind artwork of a stack of books and
a magnifying glass.

](./mdn-docs-june-2023/mdn-june-2023.png) ](./mdn-docs-june-2023/)

##  [ MDN doc updates: CSS selectors & media queries, WebGPU & WebTransport
APIs, Progressive web apps ](./mdn-docs-june-2023/)

[ ![Author avatar](/en-US/blog/author/dipika-bhattacharya/avatar.jpg) Dipika
Bhattacharya ](https://github.com/dipikabh/) June 13, 2023  6  minute read

Discover CSS :lang(), experimental media queries, manipulating graphics with
WebGPU, client-server communication with WebTransport, ECMAScript module
support, and more.

[ Read more â  ](./mdn-docs-june-2023/) [ ![A yellow and purple gradient,
with hexagon shape highlights background, with the words 'How to draw any
regular shape with one JavaScri