JSFiddle - React, Tailwind, and code Playground

HTML

<table id="table_vendor">
    <thead>
        <tr>
            <th>vendor id</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td class="vendor_id"><a href="#" name="adwa" class="adwa">0001</a></td>
        </tr>
        <tr>
            <td class="vendor_id"><a href="#" name="adwa" class="adwa">0002</a></td>
        </tr>
        <tr>
            <td class="vendor_id"><a href="#" name="adwa" class="adwa">0003</a></td>
        </tr>
        <tr>
            <td class="vendor_id"><a href="#" name="adwa" class="adwa">0004</a></td>
        </tr>
    </tbody>
</table>

JavaScript

$(".adwa").click(function() {
    var index = $(this).index(".adwa");
    alert(index);
});