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firestore.js
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firestore.js
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(function(){
// Your web app's Firebase configuration
var firebaseConfig = {
apiKey: "apple",
authDomain: "pear",
projectId: "grape",
storageBucket: "guava",
messagingSenderId: "kiwi",
appId: "peach"
};
// Initialize Firebase
firebase.initializeApp(firebaseConfig);
// handle on firebase db
var db = firebase.firestore();
// get elements
const first = document.getElementById('first');
const last = document.getElementById('last');
const dob = document.getElementById('dob');
const write = document.getElementById('write');
const read = document.getElementById('read');
const status = document.getElementById('status');
// write to
write.addEventListener('click', e => {
status.innerHTML = '';
db.collection("users").add({
first: first.value,
last: last.value,
born: dob.value
})
.then(function(docRef) {
console.log("Document written with ID: ", docRef.id);
status.innerHTML += `Document written with ID: ${docRef.id}`;
})
.catch(function(error) {
console.error("Error adding document: ", error);
});
});
// read event
read.addEventListener('click', e => {
status.innerHTML = '';
db.collection("users").get().then((querySnapshot) => {
querySnapshot.forEach((doc) => {
console.log(`${doc.id} => ${doc.data()}`);
status.innerHTML += `${JSON.stringify(doc.data())}<br>`;
});
});
});
}());