jquery - How to tell if the navbar is collapsed in order to toggle items in the navbar list -


i want to:

  • display image - if menu extended
  • display text - if menu collapsed (when "3 lines button" appears)

here code: 

<nav class="navbar navbar-idebaca navbar-fixed-bottom">     <div class="navbar-header">         <button type="button" class="navbar-toggle"                  data-toggle="collapse" data-target=".navbar-collapse">             <span class="sr-only">toggle navigation</span>             <span class="icon-bar"></span>             <span class="icon-bar"></span>             <span class="icon-bar"></span>         </button>         <a class="navbar-brand" href="#"><img src="img/iebaca.png"></a>     </div>     <div class="collapse navbar-collapse">         <ul class="nav navbar-nav">             <li>                 <img ng-show="somethingt catch if menu collapsed"                      src="img/button-aree.png">                 <a id="areelink" href="#"                     ng-hide="somethingt catch if menu collapsed"                     ng-click="sendmessage('')">aree</a>             </li>         </ul>     </div> </nav>

i think want bootstrap's responsive utility classes.

the hidden-sm class hide element on small screens.

the visible-sm-block, visible-sm-inline, visible-sm-inline-block classes show element only on small screens.


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