Fiddle things
Append things to find out the value
by Harm Zeinstra
HTML
<div id="test">
</div>
JavaScript
var date = new Date();
var box = document.getElementById('test');
var append = function() {
for(var property in arguments) {
box.append(arguments[property]);
box.append(document.createElement('br'));
};
box.append(document.createElement('br'));
}
append('to copy', '2019-11-12T10:16:56.805+0000');
append('', '');
append('copy', date.getUTCFullYear()+'-'+(date.getUTCMonth()+1)+'-'+date.getUTCDate()+'T'+date.getUTCHours()+':'+date.getUTCMinutes()+':'+date.getUTCSeconds()+'.'+date.getUTCMilliseconds()+'+0000');
append('', '');
append('Date.now()', Date.now());
append('date.toString()', date.toString());
append('date.toLocaleString()', date.toLocaleString());
append('date.getYear()', date.getYear());
append('date.toDateString()', date.toDateString());
append('date.toDateString()', date.toDateString());
append('date.toTimeString()', date.toTimeString());
append('date.toLocaleDateString()', date.toLocaleDateString());
append('date.valueOf()', date.valueOf());
append('date.getFullYear()', date.getFullYear());
append('date.getUTCFullYear()', date.getUTCFullYear());
append('date.getHours()', date.getHours());
append('date.getUTCHours()', date.getUTCHours());
append('date.getTimezoneOffset()', date.getTimezoneOffset());