Jitsi : enable videoconference at a specific time

timeEnabledJitsi.js

// using jitsi API: https://jitsi.github.io/handbook/docs/dev-guide/dev-guide-iframe

<script src='https://meet.jit.si/external_api.js'></script>
<script>
const domain = 'meet.jit.si';
const options = {
    roomName: 'JitsiMeetAPIExample',
    width: '1200px',
    height: '800px',
    parentNode: document.querySelector('#conference')
};
console.log(domain);
console.log(options);
var target =  new Date(Date.UTC(2020,4,29,14,59,00));
timeOffset = target.getTimezoneOffset() * 60000;
targetTime = target.getTime();
targetUTC = targetTime + timeOffset;
var today = new Date();
todayTime = today.getTime();
todayUTC = todayTime + timeOffset;
refreshTime = (targetUTC - todayUTC);
if (refreshTime > 1) {
    setTimeout(function() { const api = new JitsiMeetExternalAPI(domain, options); }, refreshTime);
} else {
    const api = new JitsiMeetExternalAPI(domain, options);
}
</script>

Based on https://stackoverflow.com/a/4740362/4928558