JSFiddle - React, Tailwind, and code Playground
HTML
<div id="slideHolder">
<ul id="mainList" >
<li templateid="1 ">
<div id="1" >
<table >
<tr>
<td>Video</td>
<td>Image</td>
</tr>
</table>
</div>
</li>
<li templateid="2 ">
<div id="2 " >
<table>
<tr>
<td >Text</td>
<td >Image</td>
</tr>
</table>
</div>
</li>
</ul>
</div>
JavaScript
var tdtexts= $("#mainList td").map(function() {
return $(this).text();
});
console.log(tdtexts);