javascript yyyy-mm-dd 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: js date format yyyy-mm-dd

yourDate.toISOString().split('T')[0]

Example 3: convert date format from yyyy-mm-dd to dd-mm-yyyy using value javascript

date.value.split("-").reverse().join("-");      //"2021-01-17" --> 17-01-2021

Example 4: javascript date parse yyyy-mm-dd

var dateString = "10/23/2015"; // Oct 23

var dateObject = new Date(dateString);

document.body.innerHTML = dateObject.toString();