Example of Bootstrap 3.0.2 navbar in jade format

bs3-nav.jade

- var navmenu = { Dashboard: '/', Upload: '/upload' }

nav.navbar.navbar-default(role='navigation')
  div.navbar-header
    button(type='button',data-toggle='collapse',data-target='#jcs-navbar-collapse-1').navbar-toggle
      span.sr-only Toggle navigation
      span.iconbar
      span.iconbar
      span.iconbar
    a(href='#').navbar-brand Brand
  div#jcs-navbar-collapse-1.collapse.navbar-collapse
    ul.nav.navbar-nav

      each href, key in navmenu
        if key == pagekey
          li.active: a(href=href)= key
        else
          li: a(href=href)= key

      li.dropdown
        a(href='#',data-toggle='dropdown').dropdown-toggle Dropdown
          b.caret
        ul.dropdown-menu
          li: a(href='#') Action
          li: a(href='#') Another action
          li: a(href='#') Something else here
          li.divider
          li: a(href='#') One more
    form(role='search').navbar-form.navbar-left
      div.form-group
        input(type='text',placeholder='Search').form-control
      |  
      button(type='submit').btn.btn-default Submit

    ul.nav.navbar-nav.navbar-right
      li: a(href='#') Link
      li.dropdown
        a(href='#',data-toggle='dropdown').dropdown-toggle My Account
          b.caret
        ul.dropdown-menu
          li: a(href='#') Account Settings
          li: a(href='#') Logout