var data = new Date();
var day     = data.getDate();           // 1-31
var year    = data.getFullYear();           // 2 dígitos
var m = data.getMonth();
var months = (m-1)
var Hour    = data.getHours();          // 0-23
var min     = data.getMinutes();        // 0-59
var month = new Array(
 'janu','Feb','March','April','May','June','July','Aug','Sep','Oct','Nov', 'Dec'
);


// add 0 day
if(day < 10){
    var day = `0${day}`
}

// add 0 hour
if(Hour < 10){
    var Hour = `0${Hour}`
}

// add 0 min
if(min < 10){
    var min = `0${min}`
}

// add pm o am
if( Hour < 12){
    var min = `${min}am`
}else{
    var min = `${min}pm`
}

var date = `${month[months]}, ${day} ${year}`;
var time = ` ${Hour}:${min}`;


var date_time = `${time} • ${date}`;


   
function inputvalue(){
 var input = document.getElementById('txt');
    input.value = date_time;
    alert( input.value )
}