bootstrapdropdown

The.dropdownclassindicatesadropdownmenu.Toopenthedropdownmenu,useabuttonoralinkwithaclassof.dropdown-toggleandthedata-bs- ...,The.dropdownclassindicatesadropdownmenu.Toopenthedropdownmenu,useabuttonoralinkwithaclassof.dropdown-toggleandthedata-toggle= ...,如果您想要单独引用该插件的功能，那么您需要引用dropdown.js。或者，正如Bootstrap插件概览一章中所提到，您可以引用bootstrap.js或压缩版的bootstra...

參考資訊如下
Bootstrap 5 Dropdowns

The .dropdown class indicates a dropdown menu. To open the dropdown menu, use a button or a link with a class of .dropdown-toggle and the data-bs- ...

Bootstrap Dropdowns

The .dropdown class indicates a dropdown menu. To open the dropdown menu, use a button or a link with a class of .dropdown-toggle and the data-toggle= ...

Bootstrap 下拉菜单（Dropdown）插件

如果您想要单独引用该插件的功能，那么您需要引用dropdown.js。或者，正如Bootstrap 插件概览 一章中所提到，您可以引用bootstrap.js 或压缩版的bootstrap.min.js。

Dropdowns

Dropdowns are toggleable, contextual overlays for displaying lists of links and more. They're made interactive with the included Bootstrap dropdown ...

Dropdowns · Bootstrap v5.0

Dropdowns are toggleable, contextual overlays for displaying lists of links and more. They're made interactive with the included Bootstrap dropdown JavaScript ...

Dropdowns · Bootstrap v5.3

Dropdowns are toggleable, contextual overlays for displaying lists of links and more. They're made interactive with the included Bootstrap dropdown JavaScript ...

下拉選單(Dropdowns) · Bootstrap 5 繁體中文文件

範例. 在 .dropdown 中包裝下拉選單的切換（你的按鈕或連結）和下拉式功能表，或者另外一個聲明 ...