JSFiddle - React, Tailwind, and code Playground

HTML

<input id="input_user_search" value="Поиск" placeholder="Поиск" data-placeholder="Поиск" type="text" onkeyup="SK_headerSearch(this.value);">
<div id="trigger" class="" onclick="SK_headerSearch('');">
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
</div>

CSS

#trigger {
  background: #000;
  padding: 5px;
  width: 100px;
  height: 50px
}

JavaScript

$('#trigger').click(
  $('#input_user_search input').val('');
);