JSFiddle - React, Tailwind, and code Playground

HTML

<preventjs>
      <div id="user-content-area">
        <!-- evil user content -->
          <p onclick="alert('evil stuff');">I'm not evil, promise.</p>
          <p onmouseover="alert('evil stuff');">Neither am I.</p> 
        <!-- end user content -->
      </div>
    </preventjs>

JavaScript

$("preventjs *").removeAttr("onclick").removeAttr("onmouseover");