javascript - Jquery selecting elements next/prev/closest -

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hi have html , want add actions when user click on h4.

<div class="row success"> <div class="col-sm-4 no-pad-r img-toggle">     <?php the_post_thumbnail(); ?> </div> <div class="col-sm-6 col-sm-offset-1 no-pad-l">     <h4 class="heading-toggle"><?php the_title(); ?></h4>      <div class="line"></div>     <p class="intro">"<?php the_field('first_line'); ?>."</p>      <div class="toggle-content" style="display: none">         <div class="main-copy"> <?php the_content(); ?></div>         <h5><?php the_field('author_name'); ?></h5>          <p class="position"><?php the_field('author_position'); ?></p>     </div>     <button class="btn toggle btn-danger"></button> </div>

so want add classes , slidetoggle on click cant select proper elements.

this attempt.

$( ".heading-toggle" ).click(function() {     $(this).next( ".toggle-content" ).slidetoggle();     $(this).closest( ".success" ).toggleclass( "highlight" );     $(this).closest( ".toggle" ).toggleclass( "open" );     });

the thing works here adding highlight class .success div, rest 2 functions doesn`t work. doing wrong here?

if want select element on same level use .siblings method http://api.jquery.com/siblings/

so code this

$( ".heading-toggle" ).click(function() {     $(this).siblings( ".toggle-content" ).slidetoggle();     $(this).closest( ".success" ).toggleclass( "highlight" );     $(this).siblings('.btn').toggleclass( "open" );     });

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