javascript - Setting width of an inner div to the width of the container -


i trying modify bootstrap css, want .dropdown-menu expand full width of container, setting width:100% sets width parent width. tried using jquery , works menus increase don't fit container. how fix such each dropdown menu has same width , fits whole container left right? jsfiddle

jquery

$(window).bind("load resize", function(){ $('.extend').width($('.container').width()); });

html

<div class="container">    <!-- static navbar -->   <nav class="navbar navbar-default">     <div class="container-fluid">       <div class="navbar-header">         <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">           <span class="sr-only">toggle navigation</span>           <span class="icon-bar"></span>           <span class="icon-bar"></span>           <span class="icon-bar"></span>         </button>       </div>       <div id="navbar" class="navbar-collapse collapse">         <ul class="nav navbar-nav">           <li class="dropdown">             <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">dropdown <span class="caret"></span></a>             <ul class="dropdown-menu extend">               <li><a href="#">action</a></li>               <li><a href="#">another action</a></li>               <li><a href="#">something else here</a></li>               <li role="separator" class="divider"></li>               <li class="dropdown-header">nav header</li>               <li><a href="#">separated link</a></li>               <li><a href="#">one more separated link</a></li>             </ul>           </li>           <li class="dropdown">             <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">dropdown <span class="caret"></span></a>             <ul class="dropdown-menu extend">               <li><a href="#">action</a></li>               <li><a href="#">another action</a></li>               <li><a href="#">something else here</a></li>               <li role="separator" class="divider"></li>               <li class="dropdown-header">nav header</li>               <li><a href="#">separated link</a></li>               <li><a href="#">one more separated link</a></li>             </ul>           </li>         </ul>       </div><!--/.nav-collapse -->     </div><!--/.container-fluid -->   </nav>  </div> <!-- /container --> 

$(window).bind("load resize", function(){     adjust();  $('.extend').width($('.container').width()); });  function adjust(){ $('.dropdown-toggle').each(function(){ var left = ($('body').width()-$('.container').width())/2;   $(this).parent().find('.dropdown-menu').css('margin-left','-'+($(this).offset().left-left)+'px');  }); } adjust();

please try out. here working fiddle.


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