JSFiddle - React, Tailwind, and code Playground

HTML

<table id="test">
    <tr>
    <td>test1<td>
    </tr>
    <tr>
    <td>test2<td>
    </tr>
    <tr>
    <td>test1<td>
    </tr>
    <tr>
    <td>test2<td>
    </tr>
    </table>

JavaScript

var seen = {};
$('table tr').each(function() {
    var txt = $(this).text();
    if (seen[txt])
        $(this).remove();
    else
        seen[txt] = true;
});