dropdown with sub-dropdown bootstrap code example
Example 1: dropdown bootstrap
<div class="dropdown show">
<a class="btn btn-secondary dropdown-toggle" href="#" role="button" id="dropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu" aria-labelledby="dropdownMenuLink">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
Example 2: dropdown bootstrap
Bootstrap Dropdown menu with seach button<div class="collapse navbar-collapse justify-content-between" id="navbarCollapse">
<div class="navbar-nav">
<div class="nav-item dropdown">
<a href="#" class="nav-link dropdown-toggle" data-toggle="dropdown">MANAGEMENT</a>
<div class="dropdown-menu">
<a href="#" class="dropdown-item">Man</a>
<a href="#" class="dropdown-item">Man</a>
<a href="#" class="dropdown-item">Man</a>
</div>
</div>
</div>
<div class="collapse navbar-collapse justify-content-between" id="navbarCollapse">
<div class="navbar-nav">
<div class="nav-item dropdown">
<a href="#" class="nav-link dropdown-toggle" data-toggle="dropdown">PROJECT</a>
<div class="dropdown-menu">
<a href="#" class="dropdown-item">Pro</a>
<a href="#" class="dropdown-item">Pro</a>
<a href="#" class="dropdown-item">Pro</a>
</div>
</div>
</div>
<div class="navbar-nav">
<a href="#" class="nav-item nav-link">LOGIN/REGISTER</a>
</div>
</div>
</nav>
</div>