Show top 4 Current Quarter & prior Quarters

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Javascript

jQuery

Hi All,

I am trying to get the Current and Previous quarters using javascript. Please suggest a function which can fetch me current and previous quarters. Belo is my javascript function to get the current quarter for the current year.

function getQuarter(d) {
            var enterOnce = true;
            d = d || new Date();
            var m = Math.floor(d.getMonth() / 3) + 1; // gives you the current quarter.



            return m > 4 ? m - 5 : m;
        }

Likewise i should get the previous quarters also

function FillDropdownList() {
            var firstListItem = "<option value = '0'>select quarter</option>";
            var currentQuarter = getQuarter(new Date());
            var listOptions = "";
            for (var i = currentQuarter; i; i--) {
                listOptions += "<option value = '" + i + "'>Q" + i + " " + (new Date).getFullYear() + " list" + "</option>";
            }
            listOptions = firstListItem + listOptions;

            // to have short list of options which corresponds to the country
            // from the row we have to change temporary the column property
            $("select#drpQuarter").empty();
            setTimeout(function() { $("select#drpQuarter").html(listOptions); }, 200);
        }

Now my output shows this way :

select quarter
Q1 2014 list

, whereas i want the output as:


select quarter
Q1 2014 list
Q4 2013 list
Q3 2013 list
Q2 2013 list

How can i get this type of output.

Thanks in advance.