setDate() returns number 1603240915215 instead of a date

Question

const date = new Date(\'August 19, 2020 23:15:30\');
const event = new Date();
  console.log(`event.setDate(date.getDate() + 1));

this code is supposed

Answer 1

const dateObj = new Date(1603240915215);

Answer 2

.setDate return milliseconds. You want to access the dateInstance instead:

const day = new Date('August 19, 2020 23:15:30'), nextDay = new Date();
nextDay.setDate(day.getDate()+1); console.log(nextDay.toString());