JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://github.com/janl/mustache.js/raw/master/mustache.js"></script>
<div id="123">
</div>

JavaScript

someFunction : function () {
  alert("auch");
};

var tmpl="{{#someFunction}}someValue{{/someFunction}}";

var data={data:{"name":'test script'}};
    
var html=Mustache.to_html(tmpl, data);

$('#123').html(html);