JSFiddle - React, Tailwind, and code Playground

HTML

<dt>KEY</dt>
<dd id="KEY">Bla Bla Value</dd>
<dt>KEY2</dt>
<dd id="KEY2">Bla Bla Value</dd>

JavaScript

$('dt').on('click', function(e) {
    var dd = $('#' + this.innerText);
    alert(dd);
});