li><liclass="nav-item dropdown"><aclass="nav-link dropdown-toggle"href="#"id="navbarDropdown"role="button"data-toggle="dropdown"aria-haspopup="true"aria-expanded="false">Dropdown</a><divclass="dropdown-menu"aria-labelledby="navbarDropdown"><aclass="dropdown-item"href="#">Action<...
<li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown1" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Accessories</a> <div class="dropdown-menu" aria-labelledby="navbarDropdown1"> <a class=...
See the navbar docs for details. Center content blocks Set an element to display: block and center via margin. Available as a mixin and class. <div class="center-block">...</div> // Class .center-block { display: block; margin-left: auto; margin-right: auto; } // Usage as a ...
* The breakpoint, below which, the Navbar will collapse. * When `true` the Navbar will always be expanded regardless of screen size. */ expand:PropTypes.oneOf([true,'sm','md','lg','xl']).isRequired, /** * A convenience prop for adding `bg-*` utility classes since they are so...
我正在页面顶部使用Bootstrap可折叠的Navbar,并想隐藏Navbar,并仅保留固定在屏幕角落的切换按钮,以将一些空间保存到底部的按钮。页面的屏幕截图:我无法将Navbar设置为固定和透明,因为我需要其背后的多边形才能接收掉落的元素。我也不想允许滚动,因为那会干扰拖放。这是我的代码: ...
<nav class="navbar navbar-expand-lg navbar-light bg-light"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation"> ...
Add new $navbar-dark-icon-color Sass variable Removed duplicate $alert Sass variables Added a new variable for $vr-border-width to customize the vertical rule helper width Documentation: Added search to our homepage Improved responsive behavior on Dashboard example Improved dark mode rendering of...
<div class="navbar-header"> <!-- 右边三个横线按钮,汉堡按钮 --> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> <span class="sr-only">Toggle navigation</span> ...
Regardless of whether you call your dropdown via JavaScript or instead use the data-api, data-toggle="dropdown" is always required to be present on the dropdown's trigger element. Options None Methods $().dropdown('toggle') Toggles the dropdown menu of a given navbar or tabbed navigation...
expanded="false"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" href="#">Brand</a> </div> <!-- Collect the nav links, forms, and other ...