JSFiddle - React, Tailwind, and code Playground

JavaScript

function GetURLValue (sKey) {
  return unescape("index.html#secondPage?name=thee%20second%20page".replace(new RegExp("^(?:.*[&\\?]" + escape(sKey).replace(/[\.\+\*]/g, "\\$&") + "(?:\\=([^&]*))?)?.*$", "i"), "$1"));
}

alert(GetURLValue("name"));