define a date in javascript code example

Example 1: js set datetime

//new Date(year, month, day, hours, minutes, seconds, milliseconds)
new Date(1776, 6, 4, 12, 30, 0, 0);

// Timestamp method
new Date(-6106015800000);

// Date string method
new Date("January 31 1980 12:30");

Example 2: new date() javascript

var date = new Date(); //Will use computers date by default.
//parameters will specify date you put to input
var date = new Date(year, month, day, hours, minutes, seconds, milliseconds);