JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://wzrd.in/standalone/cron@latest"></script>
<body>
  Running cron...
</body>

CSS

body {
  /*margin: 40px auto;*/
  max-width: 650px;
  line-height: 1.6;
  font-size: 18px;
  color: #444;
  padding: 0 10px
}

h1,
h2,
h3 {
  line-height: 1.2
}

Babel + JSX

const job = new cron.CronJob('*/2 * * * * *',
   () => document.body.innerHTML = Date(),
   null, true, 'America/New_York');
 job.run();

 const midnightJob = new cron.CronJob('* * * * * 1',
   () => {
     job.stop();
     document.body.innerHTML = `It's Monday`;
   });
 midnightJob.run();