JSFiddle - React, Tailwind, and code Playground

HTML

<header></header>
<a class="back">Back</a>
<ul>
   <li>
      <a href="#">Something</a>
   </li>
   <li>
      <a href="#">Something1</a>
   </li>
   <li>
      <a href="#">Something2</a>
   </li>
   <li>
      <a href="#">Something3</a>
   </li>
</ul>

JavaScript

var temp = '';

$("ul li a").click(function(e) {
        e.preventDefault();
        temp = $('header').text();
        $('header').data('value', temp);
        $('header').text($(this).text());
    });

$(".back").click(function(e) {
      e.preventDefault();
    var val = $('header').data('value');
    $('header').text(val);
});