JSFiddle - React, Tailwind, and code Playground

HTML

<div id="hidden" style="width:100%;height:20%;background-color:blue;display:none;">
Hidden Div Contents
</div>

JavaScript

$(function() {
  var params = {};
  var ps = window.location.search.split(/\?|&/);
  for (var i = 0; i < ps.length; i++) {
        if (ps[i]) {
              var p = ps[i].split(/=/);
              params[p[0]] = p[1];
        }
  }
  var divToShow = params.from;
  $('#'+divToShow).show();
});