JSFiddle - React, Tailwind, and code Playground
by Mottie
HTML
Non-IE browsers will return "null".<br>
IE (older than IE9) returns "div1" in all jQuery versions except v1.2.6.
<br>
<hr>
Results:
<div id="display"></div>
<hr>
<div class="test">div1</div>
JavaScript
var a = $('.test:eq(-1)').html(),
b = $('.test').eq(-1).html(),
c = $('.test').eq(-2).html(),
txt = '":eq(-1)" = ' + a + '<br>' +
' .eq(-1) = ' + b + '<br>' +
' .eq(-2) = ' + c + '<br>';
$('#display').html(txt);