Bootstrap | Dropdowns

Hello folks! welcome back to a new edition of our tutorial on Bootstrap. In this tutorial, we will be discussing about the Bootstrap dropdown menus.

Dropdown Menus

Dropdown menus are toggleable, contextual menus used to display links in a list format. These menus can be made interactive with the dropdown plugin. To use dropdown, just wrap the dropdown menu within .dropdown class.

Example

The following example below demonstrates a basic dropdown menu -

<div class = "dropdown">
   
   <button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
      Topics
      <span class = "caret"></span>
   </button>
   
   <ul class = "dropdown-menu" role = "menu" aria-labelledby = "dropdownMenu1">
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Java</a>
      </li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Data Mining</a>
      </li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">
            Data Communication/Networking
         </a>
      </li>
      
      <li role = "presentation" class = "divider"></li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Separated link</a>
      </li>
   </ul>
   
</div>

Output

When the above example is executed, it will produce the following result -

READ: Bootstrap | Glyphicons

Options

Alignment

Align the dropdown menu to right by adding the .pull-right class to .dropdown-menu.

Example

The following example below demonstrates this -

<div class = "dropdown">
   
   <button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
      Topics
      <span class = "caret"></span>
   </button>
   
   <ul class = "dropdown-menu pull-right" role = "menu" aria-labelledby = "dropdownMenu1">
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Java</a>
      </li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Data Mining</a>
      </li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">
            Data Communication/Networking
         </a>
      </li>
      
      <li role = "presentation" class = "divider"></li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Separated link</a>
      </li>
   </ul>
   
</div>

Output

When the above example is executed, it will produce the following result -

Headers

You can add a header to the label sections of actions in any dropdown menu by using the .dropdown-header class.

Example

The following below is a simple example -

<div class = "dropdown">
   
   <button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
      Topics
      <span class = "caret"></span>
   </button>
   
   <ul class = "dropdown-menu" role = "menu" aria-labelledby = "dropdownMenu1">
      <li role = "presentation" class = "dropdown-header">Dropdown header</li>
      
      <li role = "presentation" >
         <a role = "menuitem" tabindex = "-1" href = "#">Java</a>
      </li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Data Mining</a>
      </li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">
            Data Communication/Networking
         </a>
      </li>
      
      <li role = "presentation" class = "divider"></li>
      <li role = "presentation" class = "dropdown-header">Dropdown header</li>
      
      <li role = "presentation">
         <a role = "menuitem" tabindex = "-1" href = "#">Separated link</a>
      </li>
   </ul>
   
</div>

Output

When the above example is executed, it will produce the following result -

READ: Bootstrap | Responsive utilities

Alright guys! This is where we are going to be rounding up for this tutorial. In our next tutorial guide, we are going to be studying about the Bootstrap Button Groups.

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Thanks for reading and bye for now.