JavaScript DateTime Function

dateTime.js

// DATE

var d1 = new Date();
console.log(d1.toTimeString());


var d2 = new Date();
console.log(d2.toDateString());


var d3 = new Date(2324344442424);
console.log(d3.toString());

var d4 = new Date("March 25 2018");
d4.setYear("2020");
console.log(d4.toString());

var startTime = new Date();

timeCount();

var endTime = new Date();

var elapsed = endTime.getTime() - startTime.getTime();

console.log(elapsed);

function timeCount() {
    for (var i = 0; i < 1000000000000; i++) {

    }
}