JSFiddle - React, Tailwind, and code Playground

HTML

<div class="block-title">
  <strong><span>Refine By</span></strong>
</div>

JavaScript

//Defines the span
var span = $('.block-title span');

//Defines the function to be called on click
function bm(s) {
  s.append(" BATMAN");
}

//Calls the function onclick
span.on("click", bm, s)

//Creates and dispatches a click event
span.trigger('click');