JSFiddle - React, Tailwind, and code Playground
HTML
<span id="spval"></span>
JavaScript
var yourDateObject = new Date();
var ticks = ((yourDateObject.getTime() * 10000) + 621355968000000000);
alert(ticks);
var strDate = "/Date(ticks)/";
alert(strDate);
var re = /-?\d+/;
var m = re.exec(strDate);
alert(m);
var date = new Date(parseInt(m[0]));
$("#spval").html(date);