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这是我的整个layout.hbs类:
<!DOCTYPE HTML><HTML lang="en"> <head> <!-- required Meta Tags --> <Meta charset="utf-8"> <Meta name="vIEwport" content="wIDth=device-wIDth,initial-scale=1,shrink-to-fit=no"> <!-- bootstrap CSS --> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/CSS/bootstrap.min.CSS" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M" crossorigin="anonymous"> <link rel="stylesheet" href="/stylesheets/style.CSS"> </head> <body> <nav ID="navigation" > <a href="#">Navbar</a> <button type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span ></span> </button> <div ID="navbarSupportedContent"> <ul > <li > <a href="#">Home <span >(current)</span></a> </li> </div> </nav> {{{body}}} <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/1.11.0/umd/popper.min.Js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4" crossorigin="anonymous"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/Js/bootstrap.min.Js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1" crossorigin="anonymous"></script> </body></HTML> 这是一个发生什么的例子:
Picture of whats happening
我被告知将我的导航栏类改为navbar-inverse会使它出现,但我也没有运气.
bootstrap 4是对较旧的bootstrap的重大改写,并且已经改变了
Bootstrap Migration guide
总结以上是内存溢出为你收集整理的html – Bootstrap navbar-toggler-icon不可见但功能正常全部内容,希望文章能够帮你解决html – Bootstrap navbar-toggler-icon不可见但功能正常所遇到的程序开发问题。
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