JSFiddle - React, Tailwind, and code Playground

HTML

<div id="DT1S"> <input type="button" name="DT1S" value="Start Job" /> </div> <div id="STS"> <input type="button" name="STS" value="Start Surveillance" /> </div> <div id="STE"> <input type="button" name="STE" value="End Surveillance" /> </div> <div id="DT2E"> <input type="button" name="DT2E" value="End Job" /> </div>

JavaScript

$(function(){
   $('div#DT1S input[type=button]').attr('disabled','disabled');
});