javascript - How to reach the next li a from a specific point -


i need change link color button below id #idterritorial_8 has class .active_default, idimmunology_9, cannot use directly. starting point has #idterritorial_8.

i tried :

$('#idterritorial_8').parent().find('.active_default').addclass("red");

but .active_default changed color.

i tried next , nextall

<div id="wrapper">   <ul class="menu">      <li><a href="#" id="idoverview_1" class="">overview</a></li>      <li><a href="#" id="idsales_2" class="">sales</a>         <ul>            <li><a href="#" id="idnational_3" class="">national</a></li>            <li><a href="#" id="idprovincial_4" class="">provincial</a></li>            <li><a href="#" id="idregional_5" class="">regional</a>               <ul>                  <li><a href="#" id="idimmunology_6" class="active_default">immunology</a></li>                  <li><a href="#" id="idcoagulation_7" class="">coagulation</a></li>               </ul>            </li>            <li><a href="#" id="idterritorial_8" class="">territorial</a>               <ul>                  <li><a href="#" id="idimmunology_9" class="active_default">immunology</a></li>                  <li><a href="#" id="idcoagulation_10" class="">coagulation</a></li>               </ul>            </li>            <li><a href="#" id="iddepot_11" class="">depot</a></li>         </ul></li>      <li><a href="#" id="idicp_12" class="">icp</a></li>   </ul> </div> 

  $('#idterritorial_8').next().find('.active_default').addclass("red");

link jsbin example:

https://jsbin.com/lenotolaco/1/edit?html,js,output


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