Action Another action Something else here Separated link Split button dropdowns Here’s how you can put them to work with either elements: btn can be turned into a dropdown toggle with some markup changes. Dropdowns can be triggered from or elements to better fit your potential needs. dropdown, or another element that declares position: relative. Wrap the dropdown’s toggle (your button or link) and the dropdown menu within. 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. If you’re building our JavaScript from source, it requires util.js. Popper.js isn’t used to position dropdowns in navbars though as dynamic positioning isn’t required. Be sure to include before Bootstrap’s JavaScript or use / which contains Popper.js. They’re toggled by clicking, not by hovering this is an intentional design decision.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. Overviewĭropdowns are toggleable, contextual overlays for displaying lists of links and more. Toggle contextual overlays for displaying lists of links and more with the Bootstrap dropdown plugin.
0 kommentar(er)
