JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main" class="wcommunity_wrap ">
  <div style="width: 194px;">
    <div id="community_header" class="wcommunity_header">
  <a class="wcommunity_header_avatar" href="https://vk.com/leningrad" target="_blank"><img src="https://pp.userapi.com/c834303/v834303412/16312/vVcc9ROnyAY.jpg"></a>
  <div class="wcommunity_name"><a class="wcommunity_name_link" href="https://vk.com/leningrad" target="_blank">Leningrad.Ru</a></div>
  <div class="wcommunity_status">у нас есть печеньки :Р</div>
</div><a class="wcommunity_subscribers" href="https://vk.com/leningrad" onclick="return Community.subscribersBox(event);" id="members_count">10 участников</a><div id="community_footer" class="wcommunity_footer">
  <button class="flat_button logo_button  color4_bg color2 secondary _subscribed" onclick="Community.changeGroupState(hasClass(this, '_subscribed')? 0 : 1, this);">Вы подписаны</button>
</div>
  </div>
</div>

JavaScript

$("a[href='https://vk.com/leningrad']").attr('href', 'http://www.google.com/');