javascript - Bootstrap tabs - Next & previous Buttons -


i using bootstrap 3.4.

i using tab-pills on form 3 tabs.

i trying place next & previous buttons aid navigation between tab form.

i have read post on topic (and bootply), require, , applied necessary code.

on form, in 3 tabs, see next1 button, never see other buttons.

i figured out error class=active on <li class="active"> line of code> (or @ least error).

i have searched google , figure out how js code working, cannot figure out correct simple issue. have exhausted attempts, turn assistance.

can suggest how might correct this?

here js code:

$('.btnnext').click(function(){     $('.nav-pills > .active').next('li').find('a').trigger('click'); });  $('.btnprevious').click(function(){     $('.nav-pills > .active').prev('li').find('a').trigger('click'); });

here html code:

<ul class="nav nav-pills">     <li class="active">         <a data-toggle="tab" id="id_link_tab1" href="#tab1">             <i class="fa fa-check-square-o icon_size26"></i>             &nbsp;tab #1         </a>     </li>     <li class="">         <a data-toggle="tab" id="id_link_tab2" href="#tab2">             <i class="fa fa-file-text icon_size26"></i>             &nbsp;tab #2         </a>     </li>     <li class="">         <a data-toggle="tab" id="id_link_tab3" href="#tab3">             <i class="fa fa-pencil-square-o icon_size26"></i>                &nbsp;tab #3         </a>     </li> </ul>  <div class="tab-content">     <div class="tab-pane active" id="tab1">         <a class="btn btn-primary btnnext">next1</a>     </div>     <div class="tab-pane" id="tab2">         <a class="btn btn-primary btnnext">next2</a>         <a class="btn btn-primary btnprevious">previous3</a>     </div>     <div class="tab-pane" id="tab3">         <a class="btn btn-primary btnprevious">previous4</a>     </div> </div>


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