how to check for date 00:00:00 format javascript code example

Example 1: how to print date like 10-may-2018 in javascript

date.toString('YYYY-MM-dd'); 'Tue Feb 10 2015 15:42:50'

var date = new Date('4-1-2015');

date.getDay();// returns 3    

date.getYear();// returns 115, no of years after 1900

date.getFullYear();// returns 2015 

date.getMonth();// returns 3, starting 0 with jan 

date.getUTCDate();// returns 31

Example 2: return a date time object in yyyy-mm-dd hr:min:sec

const str = (new Date()).toISOString().slice(0, 19).replace(/-/g, "/").replace("T", " ");