js timestamp format lib code example
Example 1: how to get timestamp in javascript of a date object
new Date().getTime()
new Date().valueOf()
Example 2: javascript current date time
var today = new Date().toLocaleDateString(undefined, {
day: '2-digit',
month: '2-digit',
year: 'numeric',
hour: '2-digit',
minute: '2-digit',
second: '2-digit'
})