HTML:Ex:Getbootstrap.com/components/Navbar/Default navbar/html

     <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1-" aria-expanded="false">
       Toggle navigation
       
       
       
     </button>
     <a class="navbar-brand" href="#">Brand</a>

<a href="#">Link (current)</a>
<a href="#">Link</a>
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown </a>
- <a href="#">Action</a>
- <a href="#">Another action</a>
- <a href="#">Something else here</a>
- <a href="#">Separated link</a>
- <a href="#">One more separated link</a>

     <form class="navbar-form navbar-left" role="search">

         <input type="text" class="form-control" placeholder="Search">

       <button type="submit" class="btn btn-default">Submit</button>
     </form>

</nav>