JSFiddle - React, Tailwind, and code Playground

HTML

<div id="nodeTemplate">
    <p class="myClass">This is a testing</p>
</div>

JavaScript

var container = document.createElement("div");
var myTemplate = document.getElementById("nodeTemplate");
container.innerHTML = myTemplate.innerHTML;
var objSource = $(container).find("p.myClass");
$(myTemplate).append("number of target element:" + objSource.closest("a:visible").length);
//alert(objSource.closest("a:visible").length);