get date in java script format 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 now format

new Date().toJSON()
// "2021-01-12T01:06:54.747Z"