Complete Code Snippet

CompleteFunction.js

that.getData = function (listName, xmlQuery, contentType, onGetSuccess) {
	        var objClientCtx = new SP.ClientContext.get_current();
	        if (objClientCtx) {
	        	var oWeb = objClientCtx.get_web();
	            var oList = oWeb.get_lists().getByTitle(listName);                
	            var query = new SP.CamlQuery();
	            query.set_viewXml(xmlQuery);
	            var objlistItems = oList.getItems(query);
	            objClientCtx.load(objlistItems);				
	            objClientCtx.executeQueryAsync(function (sender, args) {
	                that.DataSet = [];
	                var objlistEnumerator = objlistItems.getEnumerator();
	                while (objlistEnumerator.moveNext()) {
	                var objListItem = objlistEnumerator.get_current();
                	var id = objListItem.get_item('ID');
                	var filePath = 'your site collection/Lists/your list/'+id+'_.000'
                	var web = objClientCtx.get_web();
                	var listItemInfo = web.getFileByServerRelativeUrl(filePath)
                	var listItemFields = listItemInfo.get_listItemAllFields()
                	objClientCtx.load(web);
                	objClientCtx.load(listItemInfo);
                	objClientCtx.load(listItemFields);
                	//objClientCtx.load(versions1);
					objClientCtx.executeQueryAsync(
						function (sender, args) {
							var fileVersions = listItemInfo.get_versions();
							objClientCtx.load(fileVersions);
							objClientCtx.executeQueryAsync(
								function (sender, args) {
									var objlistVersionEnumerator = fileVersions.getEnumerator();
									while (objlistVersionEnumerator.moveNext()) {
										var objCurrentListItemVersion = objlistVersionEnumerator.get_current();
										console.log(objCurrentListItemVersion.get_url());
									}
									
								},
								function (sender, args) {console.log('Error');}
							)
							
						}, 
						function (sender, args){
							console.log('error')
						});                        	
	
	       }
	     onGetSuccess(that.DataSet);
	
	   }, function (sender, args) {
	     that._onGetFail(sender, args);
	 });
	}
}