Firebase Features

What Are the other Firebase Filtering methods?

The Firebase offers some of other filtering method looks like -
1.     startAt(),
2.     endAt(),
3.     equalTo() and
4.     orderByChild()

Example -
var usersRef = firebase.database().ref("users/");

usersRef.orderByChild("name").startAt("Anil").on("child_added", function(result) {
        console.log("Start at filter - " + result.val().name);

usersRef.orderByChild("name").endAt("Sunil").on("child_added", function(result) {
        console.log("End at filter - " + result.val().name);

usersRef.orderByChild("name").equalTo("Aradhya").on("child_added", function(result) {
        console.log("Equal to filter - " + result.val().name);

usersRef.orderByChild("age").startAt(33).on("child_added", function(result) {
        console.log("Age filter - " + result.val().name);

Stayed Informed - Firebase Tutorial for Android and IOS

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