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Remove an unnecessary global.

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This commit is contained in:
Andres Jaan Tack
2017-11-30 15:47:16 +02:00
parent b71255380c
commit fe3016a362
1 changed files with 12 additions and 22 deletions
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22
static/sync/index.js
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@@ -8,10 +8,6 @@ $(function () {
//Our interface to the Sync service //Our interface to the Sync service
var syncClient; var syncClient;
//We're going to use a single Sync document, our simplest
//synchronisation primitive, for this demo
var syncDoc;
//Get an access token for the current user, passing a device ID //Get an access token for the current user, passing a device ID
//In browser-based apps, every tab is like its own unique device //In browser-based apps, every tab is like its own unique device
//synchronizing state -- so we'll use a random UUID to identify //synchronizing state -- so we'll use a random UUID to identify
@@ -28,10 +24,7 @@ $(function () {
//This code will create and/or open a Sync document //This code will create and/or open a Sync document
//Note the use of promises //Note the use of promises
syncClient.document('SyncGame').then(function(doc) { syncClient.document('SyncGame').then(function(syncDoc) {
//Lets store it in our global variable
syncDoc = doc;
//Initialize game board UI to current state (if it exists) //Initialize game board UI to current state (if it exists)
var data = syncDoc.get(); var data = syncDoc.get();
if (data.board) { if (data.board) {
@@ -42,23 +35,20 @@ $(function () {
//changes on this document, we can trigger our UI to update //changes on this document, we can trigger our UI to update
syncDoc.on('updated', updateUserInterface); syncDoc.on('updated', updateUserInterface);
}); //Whenever a board button is clicked, update that document.
});
//Whenever a board button is clicked:
$buttons.on('click', function (e) { $buttons.on('click', function (e) {
//Toggle the value: X, O, or empty //Toggle the value: X, O, or empty
toggleCellValue($(e.target)); toggleCellValue($(e.target));
//Update the document
var data = readGameBoardFromUserInterface();
//Send updated document to Sync //Send updated document to Sync
//This should trigger "updated" events on other clients //This should trigger "updated" events on other clients
var data = readGameBoardFromUserInterface();
syncDoc.set(data); syncDoc.set(data);
}); });
});
});
//Toggle the value: X, O, or empty (  for UI) //Toggle the value: X, O, or empty (  for UI)
function toggleCellValue($cell) { function toggleCellValue($cell) {