JSFiddle - React, Tailwind, and code Playground
by zenwalker
HTML
<script src="http://d.zen.su/git/jquery-bem/jquery.bem.js"></script>
<div class="package-select">
<div class="package-select__head">click me</div>
<div class="package-select__list-wrap"></div>
</div>
JavaScript
var pack_select = $('.package-select')
, button = pack_select.elem('head')
, list = pack_select.elem('list-wrap');
button.on('click.compare',function(){
$(this).setMod('active');
list.setMod('active');
pack_select.setMod('active');
});