#javascript get difference beetwen two dates and set timeout moment.js

javascript diff two dates and timeout moment.js

var a = moment();//now
var b = moment('2020-04-30T13:28:00');
console.log('now',moment().toDate());
console.log(a.diff(b, 'milisecunds')) // 44700
console.log(a.diff(b, 'seconds')) // 44700
console.log(a.diff(b, 'minutes')) // 44700
console.log(a.diff(b, 'hours')) // 745
console.log(a.diff(b, 'days')) // 31
console.log(a.diff(b, 'weeks')) // 4
setTimeout(()=>{    //<<<---    using ()=> syntax
      console.log('wow works now is :',moment().toDate()) // 4
 },Math.abs((a.diff(b, 'milisecunds') ) )  );
 
 console.log( Math.abs((a.diff(b, 'milisecunds') ) ) );