var myDate = new Date();
console.log(myDate);


function showDate(){
    var mn = date.getMonth();
    var d = date.getDay();
    var y = date.getCurrentYear();

    var date = mn + d + y session;
    document.getElementById("'Month', 'Day', 'Year'")

}

var now = new Date()

var day = now.getDay()
var year = now.getFullYear()

var month = now.getMonth() // in November, this will return the number 10

function showDate() {
  document.getElementById('idOfYourElement').innerHTML = new Date().getDate() // cheating a little
}

var fullDate = new Date();
var theDay = fullDate.getDay();
var theMonth = fullDate.getMonth();
var theYear = fullDate.getFullYear();

console.log(theDay+" "+theMonth+" "+theYear);

var mn = date.getMonth();
    var d = date.getDay();
    var y = date.getCurrentYear();

var myDate = new Date();
console.log(myDate);


function showDate(){
    var mn = myDate.getMonth();
    var d = myDate.getDay();
    var y = myDate.getFullYear();

    var date = mn+" "+d+" "+y;
    console.log(date);

}

var myDate = new Date();
console.log(myDate);

function showDate(){
    var mn = date.getMonth();
    var d = date.getDay();
    var y = date.getCurrentYear();

    var date = mn + d + y session;
    document.getElementById("'Month', 'Day', 'Year'")

}

<p id="paraID">This is a paragraph</p>

var para = document.getElementById(paraID);

var myDate = new Date();
console.log(myDate);


function showDate(){
    var mn = myDate.getMonth();
    var d = myDate.getDay();
    var y = myDate.getYear();

    var date = mn + "/" + d + "/" + y;
    var element = document.getElementById(htmlElementId);// htmlElementId is id value
    element.innerHTML = date;

}
showDate();