format date string yyyy-mm-dd javascript by passing date code example

Example 1: javascript convert date to yyyy-mm-dd

// `date` is a `Date` object
const formatYmd = date => date.toISOString().slice(0, 10);

// Example
formatYmd(new Date());      // 2020-05-06

Example 2: javascript get current date format dd mm yyyy hh mm ss

dformat = [d.getDate(), d.getMonth() + 1, d.getFullYear()].join('/') + ' ' + [d.getHours(),d.getMinutes(),d.getSeconds()].join(':');