Javascript - Sorting Objects Function

snippet.js

/**
 * This javascript function will sort an object of objects by converting it to an array, ordering it, and pushing it back into an object
 * usage: mySortedObject = customObjectSort(object,"objectKey");
 */


function customObjectSort(data, attr) {
    var arr = [];
    for (var prop in data) {
        if (data.hasOwnProperty(prop)) {
            var obj = {};
            obj[prop] = data[prop];
            obj.tempSortName = data[prop][attr];
            arr.push(obj);
        }
    }

    arr.sort(function(a, b) {
        var at = a.tempSortName,
            bt = b.tempSortName;
        return at < bt ? 1 : ( at > bt ? -1 : 0 );
    });

    var result = [];
    for (var i=0, l=arr.length; i<l; i++) {
        var obj = arr[i];
        delete obj.tempSortName;
        for (var prop in obj) {
            if (obj.hasOwnProperty(prop)) {
                var id = prop;
            }
        }
        var item = obj[id];
        result.push(item);
    }
    return result;
}