JSFiddle - React, Tailwind, and code Playground

HTML

<span class="navigation-link"></span>
<div id="result-with-span"></div>
<div id="result-without-span"></div>

JavaScript

var start = +new Date(), end;
for (var i = 0; i < 10000; i++) {
  $('span.navigation-link');
}
end = +new Date() - start;
$('#result-with-span').html(end);



start = +new Date();
for (var i = 0; i < 10000; i++) {
  $('.navigation-link');
}
end = +new Date() - start;
$('#result-without-span').html(end);