dropdown

UK[drɒp'daʊn] US[drɒp'daʊn]

n. Drop-down (list), drop-down (menu); water level drop Deep

header

UK[ˈhedə(r)] US[ˈhɛdɚ]

n. Header; cutting machine; (when printing from computer Automatically added to the top of each page) header; header

Bootstrap dropdown-header style syntax

Function: Add a title to the drop-down menu

Bootstrap dropdown-header style example

    Bootstrap 实例 - 下拉菜单    

  
 
下拉菜单
 
.dropdown-header 类用于在下拉菜单中添加标题：
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