javascript - Expand / Collapse div by clicking another -


i'm looking create div expands , collapses when separate, non-parent div element clicked.

below example of expanding/collapsing effect , have been messing around with. unsure how best modify code below could, say, click on div located in sidebar, , cause div located below header say, expand/collapse, pushing content below downwards.

the contents of expanding/collapsing div in question might search bar instance, can shown/hidden user clicking on sidebar button.

$(".header").click(function () {        $header = $(this);      //getting next element      $content = $header.next();      //open content needed - toggle slide- if visible, slide up, if not slidedown.      $content.slidetoggle(500, function () {          //execute after slidetoggle done          //change text of header based on visibility of content div          $header.text(function () {              //change text based on condition              return $content.is(":visible") ? "collapse" : "expand";          });      });    });
.container {      width:100%;      border:1px solid #d3d3d3;  }  .container div {      width:100%;  }  .container .header {      background-color:#d3d3d3;      padding: 2px;      cursor: pointer;      font-weight: bold;  }  .container .content {      display: none;      padding : 5px;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>    <div class="container">      <div class="header"><span>expand</span>        </div>      <div class="content">          <ul>              <li>i'm putting search bar here.</li>                        </ul>      </div>  </div>

$(".header").click(function() {    $('.content').slidetoggle().toggleclass('active');    if ($('.content').hasclass('active')) {      $('.header span').text('collapse');    } else {      $('.header span').text('expand');    }  });  $('button').click(function(){  	$(".header").trigger('click');  })
.container {      width:100%;      border:1px solid #d3d3d3;  }  .container div {      width:100%;  }  .container .header {      background-color:#d3d3d3;      padding: 2px;      cursor: pointer;      font-weight: bold;  }  .container .content {      display: none;      padding : 5px;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>    <div class="container">      <div class="header"><span>expand</span>        </div>      <div class="content">          <ul>              <li>i'm putting search bar here.</li>                        </ul>      </div>  </div>    <button>another click</button>


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