Created
June 30, 2015 20:24
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Firebase realtime chat
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| <!doctype html> | |
| <html> | |
| <head> | |
| <script src='https://cdn.firebase.com/v0/firebase-debug.js'></script> | |
| <script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js'></script> | |
| <link rel='stylesheet' type='text/css' href='/resources/tutorial/css/example.css'> | |
| </head> | |
| <body> | |
| <div id='messagesDiv'></div> | |
| <div id='temp'></div> | |
| <input type='text' id='nameInput' placeholder='Name'> | |
| <input type='text' id='messageInput' placeholder='Message'> | |
| <script> | |
| var tid = null; | |
| var myDataRef = new Firebase('https://i8dx5bc88a9.firebaseio-demo.com/'); | |
| $('#messageInput').keyup(function (e) { | |
| if (e.keyCode == 13) { | |
| var name = $('#nameInput').val(); | |
| var text = $('#messageInput').val(); | |
| myDataRef.child("list").push({name: name, text: text}); | |
| $('#messageInput').val(''); | |
| } | |
| clearTimeout(tid) | |
| tid = setTimeout(updateTempString, 300) | |
| }); | |
| myDataRef.child("list").on('child_added', function(snapshot) { | |
| debugger; | |
| var message = snapshot.val(); | |
| displayChatMessage(message.name, message.text); | |
| }); | |
| function displayChatMessage(name, text) { | |
| $('<div/>').text(text).prepend($('<strong/>').text(name+': ')).appendTo($('#messagesDiv')); | |
| $('#messagesDiv')[0].scrollTop = $('#messagesDiv')[0].scrollHeight; | |
| }; | |
| function updateTempString(){ | |
| var o = { | |
| name: $('#nameInput').val(), | |
| text: $('#messageInput').val() | |
| } | |
| myDataRef.child("temp").set(o, function(){ | |
| debugger; | |
| }) | |
| } | |
| myDataRef.child("temp").on('value', function(snapshot) { | |
| debugger; | |
| var message = snapshot.val(); | |
| if(message.text){ | |
| $('#temp').html($('<em/>').text(message.name+': '+message.text)); | |
| } else { | |
| $('#temp').html(''); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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