Bootstrap 4.0 - Two NavBars that collapse into one toggle [duplicate]

Answer 1

You could use data-target="#navbarNavAltMarkup, #navbarNavAltMarkup1" and it should work:

  Navbar
  
    
  
  

    

      Home (current)
      Features
      Pricing
      Disabled
    
  



  

    

      Home (current)
      Features
      Pricing
      Disabled