JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<head>
  <title>Demo</title>
  <meta charset="utf-8" />
</head>
<body>

<a href="">Show Bug</a>

<ul id="fred">
</ul>

</body>
</html>

JavaScript

$('a').click(
  function() {

    for ( var i = 0; i < 2000; i++ ) {
      var fred$ = $('#fred').empty();
      for ( var j = 0; j < 10; j++ ) {

        /* Switch comments to see leak vs no-leak */
        $('<li>' + j + '</li>').appendTo( fred$ );
        //$('<li></li>').html(j).appendTo( fred$ );
      }
    }
    return false;
  }
);