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Detailed explanation of the difference between .nav and .navbar in bootstrap

小云云
Release： 2017-12-18 11:58:09
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4030 people have browsed it

The navigation bar is a great feature and a prominent feature of Bootstrap websites. The navigation bar serves as the responsive foundational component of the navigation header in your app or website. The navigation bar collapses in mobile viewports and expands horizontally as the available viewport width increases. At the core of the Bootstrap navigation bar, the navigation bar includes the site name and basic navigation definition styles. This article mainly introduces the detailed explanation of the difference between .nav and .navbar in the bootstrap navigation bar. The editor thinks it is quite good. Now I will share it with you and give you a reference. I hope it can help everyone.

1. Simple navigation composed of ul and li: 

<ul class="nav nav-pills justify-content-center bg-dark nav-dark">
    <li class="nav-item">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">1</a>
    </li>
    <li class="nav-item">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">2</a>
    </li>
    <li class="nav-item">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">3</a>
    </li>
  </ul>

 

//解析：.nav .nav-item .nav-link表示ul li是导航——.nav-pills表示胶囊状导航——.bg-dark/.nav-dark表示黑底白字——.justify-content-center表示导航栏在浏览器上居中显示
Copy after login

is displayed on the browser as:

Reduce the browser window Displayed as:

2. Navigation bar - class="navbar navbar-expand-sm" in

Related labels：
bootstrap
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