The Lowdown on Dropdowns in HTML & CSS
Briefly

"It's always a good idea to tie your component work into existing and new standards as it sets you up to remove code in the future; it's future-proofing."
"If this isn't possible in your application, make use of alternative approaches."
"Regardless of these new features, I would still recommend using these elements. There be dragons, though; Adrian Roselli goes into great detail here."
"Look at them as something to aim for when constructing your API."
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