JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://player.vimeo.com/api/player.js"></script>
<div id='video0'>
  <div data-vimeo-id="76979871" data-vimeo-autoplay="true" id="player"></div>
</div>
<div id='delayed-button'>
  button
</div>

CSS

#delayed-button{
  visibility: hidden;
}

JavaScript

var buttonShowed = false;
        var vPlayer = new Vimeo.Player($('#video0 #player'));
        vPlayer.on('timeupdate', function(time) {
        console.log(time.seconds);
            if ((time.seconds >=5) && (!buttonShowed) ) {
                buttonShowed = true;
              $('#delayed-button').css('visibility','visible');
            }
        });