ブートストラップ4 iPadでNavbarトグルが表示されない

Question

私はBootstrap 4 betaを使用します。NavbarヘッダーはiPadでは完璧ではありませんが、小さなデバイスは正常に動作します。問題を解決する方法を教えてください。 私の問題、なぜならLARのnavbar-expand-lgに変更navbar-expand-md作業スニペットに

おかげ

 
 
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous"> 
 
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script> 
 
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script> 
 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script> 
 
    
 
    
 
    
 
    <header> 
 
      <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark"> 
 
      <a class="navbar-brand" href="#">School-PROJECT</a> 
 
      <button class="navbar-toggler d-lg-none" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation"> 
 
       <span class="navbar-toggler-icon"></span> 
 
      </button> 
 
    
 
      <div class="collapse navbar-collapse" id="navbarsExampleDefault"> 
 
       <ul class="navbar-nav mr-auto"> 
 
       <li class="nav-item active"> 
 
        <a class="nav-link" href="#">DASHBOARD<span class="sr-only">(current)</span></a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">BOOKING</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">ROOMS</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">HOTEL MANAGER</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">PETTY CASH</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">CASH MANAGEMENT</a> 
 
       </li> 
 
       </ul> 
 
       <form class="form-inline mt-2 mt-md-0"> 
 
       <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search"> 
 
       <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button> 
 
       </form> 
 
      </div> 
 
      </nav> 
 
     </header> 
 
    <!--Navbar--------------------------------------------------------------------->

Answer 1

をご覧くださいメニュー項目の数は、いくつかの間隔と整列の問題がその解決に来ている。ソリューションの先生のための

 
 
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous"> 
 
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script> 
 
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script> 
 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script> 
 
    
 
    
 
    
 
    <header> 
 
      <nav class="navbar navbar-expand-lg navbar-dark fixed-top bg-dark"> 
 
      <a class="navbar-brand" href="#">School-PROJECT</a> 
 
      <button class="navbar-toggler d-lg-none" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation"> 
 
       <span class="navbar-toggler-icon"></span> 
 
      </button> 
 
    
 
      <div class="collapse navbar-collapse" id="navbarsExampleDefault"> 
 
       <ul class="navbar-nav mr-auto"> 
 
       <li class="nav-item active"> 
 
        <a class="nav-link" href="#">DASHBOARD<span class="sr-only">(current)</span></a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">BOOKING</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">ROOMS</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">HOTEL MANAGER</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">PETTY CASH</a> 
 
       </li> 
 
       <li class="nav-item"> 
 
        <a class="nav-link" href="#">CASH MANAGEMENT</a> 
 
       </li> 
 
       </ul> 
 
       <form class="form-inline mt-2 mt-md-0"> 
 
       <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search"> 
 
       <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button> 
 
       </form> 
 
      </div> 
 
      </nav> 
 
     </header> 
 
    <!--Navbar--------------------------------------------------------------------->