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Add clarifying tooltip nesting note #41575

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sideshowbarker merged 1 commit into from
Oct 20, 2025
Merged

Add clarifying tooltip nesting note #41575

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3 changes: 3 additions & 0 deletions files/en-us/web/api/popover_api/using/index.md
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Expand Up @@ -306,6 +306,9 @@ The sub-menu popovers work fine as they are, opening when the toolbar buttons ar
<div id="tooltip-3" class="tooltip" popover="hint">Tooltip C</div>
```

> [!NOTE]
> In the demo [source code](https://github.com/mdn/dom-examples/tree/main/popover-api/popover-hint), the tooltips are nested inside the popover control buttons. This is because it provides a better fallback in browsers that don't support CSS anchor positioning — the `hint` popovers appear next to their associated control buttons rather than somewhere else entirely.

To control the showing/hiding, we need to use JavaScript. First of all, we grab references to the `hint` popovers and the control buttons in two separate {{domxref("NodeList")}}s using {{domxref("Document.querySelectorAll()")}}:

```js
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