Popover, Anchor Positioning, Dialog: Are They Accessible Enough to Use Yet?
When we’re deciding whether to adopt a new feature, we usually look at a support table. We check caniuse, see what percentage of cells are green, and once it clears 90%, we think “okay, we can use this now.” But there’s a question the support table never answers: Can you use it with a keyboard? Does a screen reader read it correctly? Those are two different questions. There’s a bigger gap than you’d expect between a browser implementing a feature and that feature actually handling accessibility. Some features quietly replace accessibility code we used to hand-write; others open up brand-new traps. ...