Order number Generation

var date=[' J ', ' F ', ' C ', ' D ', ' E ', ' B ', ' H ', ' I ', ' A '];
Console.log (New Date (). GetTime ()). ToString ());
var ordersn = date[(new date (). getFullYear ())-2015];
Console.log (ORDERSN);
var a001 = (new Date (). GetMonth () +1). ToString (+). toUpperCase ();
Console.log (a001);
var a002= (new Date (). GetTime ()). ToString (). substr (-5);
Console.log (a002);
var date = new Date (new Date (). GetTime ());
var humandate = new Date (DATE.UTC (Date.getfullyear (), Date.getmonth (), Date.getdate (), date.gethours (), Date.getminutes (), Date.getseconds ()));
var a003= (Humandate.gettime ()/1000-8*60*60). ToString (). substr (2,5);
Console.log (a003);
var a004 =parseint (100*math.random ()). ToString ();
Console.log (a004.length);
if (a004.length==1) {
    a004= "040" +a004;
}else if (a004.length==2)
{
    a004= "+a004"
}

Order number Generation