use create date object to comapre both dates

const firsDate = '2022-04-24';
const secondDate = '2022-09-21';

firsDate = new Date(firsDate);
secondDate = new Date(secondDate);

if (firsDate.getTime() === secondDate.getTime()){

	console.log('Both dates are equal');
	
} if (firsDate.getTime() > secondDate.getTime()) {

  console.log('First date is greate then second');
} else {

  console.log('Second date is greate then first');
}