string date change format js 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 format date yyyy-mm-dd

let today = new Date()
today.toISOString().split('T')[0]

Example 3: js string to date

var myDate = new Date("2013/1/16");

var str = "2013/1/16";
var strToDate = new Date(str);

Example 4: parse date from string in js

Date.parse(dateString)
//dateString is like 2020-10-10 / 2020-10-10T10:20:20