JSFiddle - React, Tailwind, and code Playground
HTML
<table>
<tr><td>hello</td><td></td></tr></table>
JavaScript
var removeItemButton = "<button>button</button>";
var tr = '<tr class="item">';
tr += "<td>bla bla & - that will converted to &</td>";
tr += "<td >"+removeItemButton+"</td>";
$('tr').before(tr);