JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
  <li>one</li>
  <li><a href="*">two</a></li>
  <li>three</li>
</ul>
<br/>
<button>To French

</button>

JavaScript

$(function() {
  $("button").on("click",
    function() {
    $("ul li:nth-child(2) a, ul li").each(
      function(index) {
        switch (index) {
          case 0:
            $(this).text("un");
            break;
          case 1:
            $(this).text("deux");
            break;
          default:
            $(this).text("trois");
            break;
        }
      });
  });
});