JSFiddle - React, Tailwind, and code Playground

by J. Sheth

HTML

<table border="0">
  <tr  class="header">
    <td colspan="2">Header</td>
  </tr>
  <tr>
    <td>data</td>
    <td>data</td>
  </tr>
  <tr>
    <td>data</td>
    <td>data</td>
  </tr>
  <tr  class="header">
    <td colspan="2">Header</td>
  </tr>
  <tr>
    <td>date</td>
    <td>data</td>
  </tr>
  <tr>
    <td>data</td>
    <td>data</td>
  </tr>
  <tr>
    <td>data</td>
    <td>data</td>
  </tr>
</table>

CSS

tr, td
{
    border: 1px solid black;
}
tr.header
{
    cursor:pointer;
}

JavaScript

$('.header').click(function(){

$(this).nextUntil('tr.header').slideToggle(50);
});