JSFiddle - React, Tailwind, and code Playground

HTML

<div data-role="collapsible-set" id="set">
  <div data-role="collapsible" data-collapsed="false" data-mini="true" class="stuff">
            <h3>Stuff</h3>
          <button type="button" id="submit" data-mini="true">Submit</button> 
          </div>
</div>

JavaScript

$('#submit').on('click', collapse);

  function collapse(sender) {
    $("#set").children(":first").collapsible( "collapse" );
  }