JSFiddle - React, Tailwind, and code Playground

HTML

<a id="tester1" class="tests" href="#">abcdefghijkl</a>
<a id="tester2" class="tests" href="#">abcdefghijkl</a>
<a id="tester3" class="tests" href="#">abcdefghijkl</a>
<a id="tester4" class="tests" href="#">abcdefghijkl</a>
<a id="tester5" class="tests" href="#">abcdefghijkl</a>
<a id="tester6" class="tests" href="#">abcdefghijkl</a>
<a id="tester7" class="tests" href="#">abcdefghijkl</a>
<a id="tester8" class="tests" href="#">abcdefghijkl</a>
<a id="tester9" class="tests" href="#">abcdefghijkl</a>
<a id="tester10" class="tests" href="#">abcdefghijkl</a>
<a id="tester11" class="tests" href="#">abcdefghijkl</a>
<a id="tester12" class="tests" href="#">abcdefghijkl</a>
<a id="tester13" class="tests" href="#">abcdefghijkl</a>
<a id="tester14" class="tests" href="#">abcdefghijkl</a>
<a id="tester15" class="tests" href="#">abcdefghijkl</a>
<a id="tester16" class="tests" href="#">abcdefghijkl</a>

JavaScript

$('#sellOpened > tbody > tr:lt(20) > td:nth-child(2) > b').each(function(index){
     t = this.class;
     console.log(t);
});