JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Example for Toggle and change text function</h1>
<p><a id="aTag" href="javascript:toggleAndChangeText('video1');">► Expand video</a></p>
<div id="video1" style="display: none;">
<p>video 1 goes here</p>
</div>

<p><a id="aTag" href="javascript:toggleAndChangeText('video2');">► Expand video</a></p>
<div id="video2" style="display: none;">
<p>video 2 goes here</p>
</div>

JavaScript

function toggleAndChangeText(divId) {
     $("#"+divId).toggle();
     if ($("#"+divId).css('display') == 'none') {
          $('#aTag').html('► Expand video');
     }
     else {
          $('#aTag').html('▼ Collapse video');
     }
}