JSFiddle - React, Tailwind, and code Playground
HTML
<table border='1'>
<tr class="row">
<td>Cell</td>
<td>Cell</td>
</tr>
<tr class="row">
<td>Cell</td>
<td>Cell</td>
</tr>
</table>
JavaScript
$(".row").on("click", function(ev){
el = $(this);
el.css("background-color", "red");
})