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Diffstat (limited to 'docs/4.0/components/dropdowns.md')
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diff --git a/docs/4.0/components/dropdowns.md b/docs/4.0/components/dropdowns.md index 9170b7162..9f444d567 100644 --- a/docs/4.0/components/dropdowns.md +++ b/docs/4.0/components/dropdowns.md @@ -12,6 +12,8 @@ Dropdowns are toggleable, contextual overlays for displaying lists of links and Dropdowns are built on a third party library, [Popper.js](https://popper.js.org), which provides dynamic positioning and viewport detection. Be sure to include [popper.min.js](https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js) before Bootstrap's JavaScript. +If you're building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/getting-started/javascript/#util). + ## Accessibility The [<abbr title="Web Accessibility Initiative">WAI</abbr> <abbr title="Accessible Rich Internet Applications">ARIA</abbr>](https://www.w3.org/TR/wai-aria/) standard defines an actual [`role="menu"` widget](https://www.w3.org/TR/wai-aria/roles#menu), but this is specific to application-like menus which trigger actions or functions. <abbr title="Accessible Rich Internet Applications">ARIA</abbr> menus can only contain menu items, checkbox menu items, radio button menu items, radio button groups, and sub-menus. |