JSFiddle - React, Tailwind, and code Playground
HTML
<div style="width:50px;height:50px;background:grey;cursor:pointer" id = "clickableDiv"></div>
<p id="AppendUrl"></p>
JavaScript
$("#clickableDiv").click(function(){
var url = "http://localhost:1234/pag1";
var parameter = "fare=standar";
$("#AppendUrl").text(url+ "?" + parameter);
});