JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1">
    <tr class="clickable">
        <td colspan="2">Click to toggle Next</td>
        
    </tr>
    <tr>
        <td>Test</td>
        <td>Test 2</td>
        
    </tr>
    <tr class="clickable">
        <td colspan="2">Click to toggle Next</td>
        
    </tr>
    <tr>
        <td>Test</td>
        <td>Test 2</td>
    </tr>
    <tr class="clickable">
        <td colspan="2">Click to toggle Next</td>
        
    </tr>
    <tr>
        <td>Test</td>
        <td>Test 2</td>
    </tr>
</table>

JavaScript

$(".clickable").click(function() {

    $(this).next().toggle();
    
});