Menu item Menu item Menu item Menu content HeadersĪdd a header to label sections of actions in any dropdown menu. Menu item Menu item Menu item Right-aligned, left-aligned lg Menu item Menu item Menu item Left-aligned, right-aligned lg Menu item Menu item Menu item Right-aligned menu Action Another action Something else here Directions Those additional changes hold the caret centered in the split button and implement a more properly sized hit area next to the main button. We use this extra class to reduce the horizontal padding on either side of the caret by 25% and remove the margin-left that’s attached for normal button dropdowns. dropdown-toggle-split for proper spacing around the dropdown caret. Similarly, create split button dropdowns with virtually the same markup as single button dropdowns, but with the addition of. Action Another action Something else here Separated link Split button Here’s how you can put them to work with either elements: btn can be changed into a dropdown toggle with small changes. Dropdowns can be triggered from or elements to better fit your possible requirements. dropdown, or different element that declares position: relative. Examplesīind the dropdown’s toggle and the dropdown menu inside. dropdown-item elements using the cursor keys and close the menu with the ESC key. However, Bootstrap does add built-in support for most standard keyboard menu interactions, such as the ability to move through individual. Authors will have to include these more specific attributes themselves. For this reason, Bootstrap does not expect (nor automatically add) any of the role and aria- attributes required for true ARIA menus. For instance, it is possible to create dropdowns that contain additional inputs and form controls, such as search fields or login forms. ARIA menus can only contain menu items, checkbox menu items, radio button menu items, radio button groups, and sub-menus.īootstrap’s dropdowns, on the other hand, are designed to be generic and applicable to a variety of situations and markup structures. The WAI ARIA standard defines an actual role="menu" widget, but this is specific to application-like menus which trigger actions or functions. Popper.js isn’t used to position dropdowns in navbars though as dynamic positioning isn’t required. Be sure to include before CoreUI’s JavaScript or use / which contains Popper.js. They’re toggled by clicking, not by hovering.ĭropdowns are built on a third party library, Popper.js, which provides dynamic positioning and viewport detection.
They’re made interactive with the included Bootstrap dropdown JavaScript plugin. Dropdowns are toggleable, contextual overlays for displaying lists of links and more.
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