How to implement the load more in firebase in AngularJs?

[kapil soni]

Hello sir,
I have create a ecommerce website in AngualrJs and backend is firebase.i have to get the product list from the firebase and i am using - limitToFirst() query for get the initially record's and i want to load more functionlity so sir tell me how to implement te load more in our website?
$scope.getProductData = function() { //GET THE DATA FROM THE FIREABSE firebase.database().ref("sellerProduct").limitToFirst(2).once('value').then(function(snapshot) { var value = snapshot.val(); $scope.productArray = objToArray(value); }); } $scope.getProductData();