JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/stickybits/3.5.5/stickybits.min.js"></script>
<div>
  <table border="0">
    <thead>
      <tr>
        <th>head1</th>
        <th>head2</th>
        <th>head3</th>
        <th>head4</th>
      </tr>
    </thead>
    <tr>
      <td>row 1, cell 1</td>
      <td>row 1, cell 2</td>
      <td>row 1, cell 2</td>
      <td>row 1, cell 2</td>
    </tr>
    <tr>
      <td>row 2, cell 1</td>
      <td>row 2, cell 2</td>
      <td>row 1, cell 2</td>
      <td>row 1, cell 2</td>
    </tr>
    <tr>
      <td>row 2, cell 1</td>
      <td>row 2, cell 2</td>
      <td>row 1, cell 2</td>
      <td>row 1, cell 2</td>
    </tr>
    <tr>
      <td>row 2, cell 1</td>
      <td>row 2, cell 2</td>
      <td>row 1, cell 2</td>
      <td>row 1, cell 2</td>
    </tr>
    <tr>
      <td>row 2, cell 1</td>
      <td>row 2, cell 2</td>
      <td>row 1, cell 2</td>
      <td>row 1, cell 2</td>
    </tr>
  </table>
</div>

CSS

div {
  display: inline-block;
  height: 150px;
  overflow: auto
}

/* == Just general styling, not relevant :) == */

table {
  border-collapse: collapse;
}

th {
  background-color: #1976D2;
  color: #fff;
}

th,
td {
  padding: 1em .5em;
}

table tr {
  color: #212121;
}

table tr:nth-child(odd) {
  background-color: #BBDEFB;
}

JavaScript

stickybits('table th');