JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div id="link" onclick="JS3.skinPopup('JS3-UserDirectory-Detail-MapLocation','Map Location for {=p.PreferredName} ','#userBio');">

</div>
<p id="title">Te'st</p>

JavaScript

$(document).ready(function() {
  var attribute = $('#link').attr("onclick");
  var linklength = (attribute.split("'").length - 1);
  if (linklength > 5) {
    $('#link').attr('onclick', 'test');
    console.log(attribute);

  }
});