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Intro to Firebase Realtime Database
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| var config = { | |
| apiKey: "<API_KEY>", | |
| authDomain: "<PROJECT_ID>.firebaseapp.com", | |
| databaseURL: "https://<DATABASE_NAME>.firebaseio.com", | |
| }; | |
| firebase.initializeApp(config); | |
| var database = firebase.database(); | |
| var notesRef = database.ref('notes'); | |
| var textarea = document.getElementById('notes'); | |
| // Save the contents of the textarea to firebase | |
| textarea.addEventListener('keyup', function() { | |
| notesRef.set(textarea.value); | |
| }); | |
| // Set of textarea to what we have in firebase any time | |
| // the data on firebase changes (this includes on page load) | |
| notesRef.on('value', function(snapshot) { | |
| textarea.value = snapshot.val(); | |
| }); | |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://www.gstatic.com/firebasejs/3.7.4/firebase.js"></script> | |
| </head> | |
| <body> | |
| <h1>Notes</h1> | |
| <textarea id="notes" cols="100" rows="10"></textarea> | |
| </body> | |
| <script src="app.js"></script> | |
| </html> |
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