How to use the framework/ViewRenderer.renderAppend function in framework

var title;
            for (var i=0; i

var partnerFarmersRenderArray = [];

            var i = 0;
            var len = partnerFarmersArray.length;
            for (; i < len; i++) {
                var currentPartnerFarmerData = Util.Object.clone(partnerFarmersArray[i], true);
                partnerFarmersRenderArray.push(currentPartnerFarmerData);
            }

            this._references.$farmerPagesContainer.empty();

            var renderData = {
                farmers: partnerFarmersArray
            };

            viewRenderer.renderAppend(this._references.$farmerPagesContainer, partnerFarmerTemplate, renderData);
        },

currentCommentsItemData._replied = true;
                    }

                    currentReply._formattedLikedCount = Util.integerCommaFormat(currentReply.likedCount);
                    currentReply._likesPlural = currentReply.likedCount != 1;
                }
                */

                renderCommentsArray.push(currentCommentsItemData);
            }

            var renderData = {
                comments: renderCommentsArray
            };

            viewRenderer.renderAppend(this._references.$commentsList, commentTemplate, renderData);
        },

currentReply._formattedLikedCount = Util.integerCommaFormat(currentReply.likedCount);
                    currentReply._likesPlural = currentReply.likedCount != 1;
                }
                */

                renderCommentsArray.push(currentCommentsItemData);
            }

            var renderData = {
                comments: renderCommentsArray
            };
            if (addedComment){
                viewRenderer.renderHTML(this._references.$commentsList, commentTemplate, renderData);
            }
            else {
                viewRenderer.renderAppend(this._references.$commentsList, commentTemplate, renderData);
            }
        },

_renderActivities: function(activitiesData) {

            var renderData = {
                activities: activitiesData
            };

            viewRenderer.renderAppend(this._references.$activitiesContainer, activityTemplate, renderData);

            this._initCarousels();
            stButtons.locateElements();
        },

var partnerFarmersRenderArray = [];

            var i = 0;
            var len = partnerFarmersArray.length;
            for (; i < len; i++) {
                var currentPartnerFarmerData = Util.Object.clone(partnerFarmersArray[i], true);
                partnerFarmersRenderArray.push(currentPartnerFarmerData);
            }

            this._references.$farmerPagesContainer.empty();

            var renderData = {
                farmers: partnerFarmersArray
            };

            viewRenderer.renderAppend(this._references.$farmerPagesContainer, partnerFarmerTemplate, renderData);
        },

_renderNewsItems: function(activitiesData) {

            var renderData = {
                activities: activitiesData
            };

            viewRenderer.renderAppend(this._references.$newsItemsContainer, newsItemTemplate, renderData);

            this._initCarousels();

        },

var partnerFarmersRenderArray = [];

            var i = 0;
            var len = partnerFarmersArray.length;
            for (; i < len; i++) {
                var currentPartnerFarmerData = Util.Object.clone(partnerFarmersArray[i], true);
                partnerFarmersRenderArray.push(currentPartnerFarmerData);
            }

            this._references.$farmerPagesContainer.empty();

            var renderData = {
                farmers: partnerFarmersArray
            };

            viewRenderer.renderAppend(this._references.$farmerPagesContainer, partnerFarmerTemplate, renderData);
        },

_renderNewsItems: function(activitiesData) {

            var renderData = {
                activities: activitiesData
            };

            viewRenderer.renderAppend(this._references.$newsItemsContainer, newsItemTemplate, renderData);

            this._initCarousels();

        },