dropdown
UK[drɒp'daʊn] US[drɒp'daʊn]
n. Drop-down (list), drop-down (menu); water level drop deep
Bootstrap dropdown style syntax
Function: Specify the drop-down menu, and the drop-down menus are all wrapped in .dropdown
Bootstrap dropdown style example
Bootstrap 实例 - 下拉菜单 下拉菜单
.dropdown 菜单用于指定下拉菜单，下拉菜单都包裹在 .dropdown 里。
.dropdown-menu 类用于实际下拉菜单的创建。
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