JSFiddle - React, Tailwind, and code Playground
HTML
<div class="class1 class2 class3"></div>
<div class="cl1 cl2 cl3"></div>
JavaScript
$('.class1').text('foo bar');
$('.cl1.cl2').text('foo2 bar2');
<div class="class1 class2 class3"></div>
<div class="cl1 cl2 cl3"></div>
$('.class1').text('foo bar');
$('.cl1.cl2').text('foo2 bar2');