Tags: checked



8 DOM features you didn’t know existed - LogRocket Blog

If you ignore the slightly insulting and condescending clickbaity title, this is a handy run-down of eight browser features with good support:

  1. extra arguments in addEventListener(),
  2. scrollTo(),
  3. extra arguments in setTimeout() and setInterval(),
  4. the defaultChecked property for checkboxes,
  5. normalize() and wholeText for strings of text,
  6. insertAdjacentElement() and insertAdjacentText(),
  7. event.detail, and
  8. scrollHeight and scrollWidth.

Is CSS Turing Complete? | Lara Schenck

This starts as a good bit of computer science nerdery, that kind of answers the question in the title:

Alone, CSS is not Turing complete. CSS plus HTML plus user input is Turing complete!

And so the takeaway here is bigger than just speculation about Turing completeness:

Given that CSS is a domain-specific language for styling user interface, this makes a lot of sense! CSS + HTML + Human = Turing complete.

At the end of that day, as CSS developers that is the language we really write. CSS is incomplete without HTML, and a styled interface is incomplete without a human to use it.

CSS-only multiple choice quizzing - Matthew Somerville

In which Matthew disects a multiple choice quiz that uses CSS to do some clever logic, using the :checked pseudo-class and counter-increment.

Oh, and this is how he realised it wasn’t using JavaScript:

I have JavaScript disabled on my phone because a) it cuts out most of the ads, b) it cuts out lots of bandwidth and I have a limited data plan, and c) my battery lasts longer because it’s not processing tons of code to show me some text (cough, Medium).

keyboard (div) ✿ dabblet.com

Here’s a really nifty use of the :checked behaviour pattern that Charlotte has been writing about—an interface for choosing a note from a piano keyboard. Under the hood, it’s a series of radio buttons and labels.