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...
</a> <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel"> ... </ul> </div> 通过JavaScript 通过JavaScript调用下拉菜单: $('.dropdown-toggle').dropdown() 选项 无 方法 $().dropdown('toggle') 通过编程式api对某个特定的导航条或标签页导航切换下拉菜单。 滚动监听 bootstrap-scr...
(8)fontsize函数:设定字体大小,与标签结果相同。 (9)indexOf函数:返回字符串中第一个查找到的下标index,从左边开始查找。 (10)italics函数:使字体成为斜体字,与...标签结果相同。 (11)lastIndexOf函数:返回字符串中第一个查找到的下标index,从右边开始查找。 (12)length函数:返回字符串的长度。(不用带括号) ...
function multiply(a, b) { b = typeof b !== "undefined" ? b : 1; return a * b; } console.log(multiply(5)); // 5 使用默认参数,在函数体的手动检查就不再必要了。现在,你可以在函数头简单地把 1 设定为 b 的默认值: jsCopy to Clipboard function multiply(a, b = 1) { return a...
Toggles the dropdown menu of a given navbar or tabbed navigation. Events All dropdown events are fired at the .dropdown-menu's parent element. All dropdown events have a relatedTarget property, whose value is the toggling anchor element. Event TypeDescription show.bs.dropdown This event fires...
Toggles the dropdown menu of a given navbar or tabbed navigation. Events All dropdown events are fired at the .dropdown-menu's parent element. All dropdown events have a relatedTarget property, whose value is the toggling anchor element. Event TypeDescription show.bs.dropdown This event fires...
Toggles the dropdown menu of a given navbar or tabbed navigation. Events All dropdown events are fired at the .dropdown-menu's parent element. All dropdown events have a relatedTarget property, whose value is the toggling anchor element. Event TypeDescription show.bs.dropdown This event fires...
https://imgur.com/a/oFuBKLY 下方的视觉对象 </audio> <header id="about"> <div class="menu"> <span class="bar"></span> </div> <nav class="nav"> <div class="overlay"> <ul> <li><a href="index.html">Home</a> </li> ...
Edit Component: To customise the editing of a cell. Filter Component: For custom column filter that appears inside the column menu. Floating Filter: For custom column floating filter that appears inside the column menu. Date Component: To customise the date selection component in the date filter...
// bad var errorMessage = 'This is a super long error that was thrown because of Batman. When you stop to think about how Batman had anything to do with this, you would get nowhere fast.'; // bad var errorMessage = 'This is a super long error that \ was thrown because of ...