JSFiddle - React, Tailwind, and code Playground
HTML
<a onclick="document.getElementById('butt1').disabled=false">Link 1</a>
<a onclick="document.getElementById("butt2").disabled=false">Link 2</a>
<button disabled class="btn btn-primary pull-left" id="butt1">Button 1</button>
<button disabled class="btn btn-primary pull-left" id="butt2">Button 2</button>