jslint pass announcement.js

src/jio/announcements/announcement.js

-var announcement = function(spec, my) {
-    var that = {};
+/*jslint indent: 2, maxlen: 80, sloppy: true */
+/*global announcement: true */
+var announcement = function (spec, my) {
+  var that = {},
+    callback_a = [],
+    announcer = spec.announcer || {};
+
   spec = spec || {};
   my = my || {};
-    // Attributes //
-    var callback_a = [];
-    var name = spec.name || '';
-    var announcer = spec.announcer || {};
+
   // Methods //
-    that.add = function(callback) {
+  that.add = function (callback) {
     callback_a.push(callback);
   };
 
-    that.remove = function(callback) {
+  that.remove = function (callback) {
     var i, tmp_callback_a = [];
-        for (i = 0; i < callback_a.length; i+= 1) {
+    for (i = 0; i < callback_a.length; i += 1) {
       if (callback_a[i] !== callback) {
         tmp_callback_a.push(callback_a[i]);
       }
@@ -21,17 +23,17 @@ var announcement = function(spec, my) {
     callback_a = tmp_callback_a;
   };
 
-    that.register = function() {
+  that.register = function () {
     announcer.register(that);
   };
 
-    that.unregister = function() {
+  that.unregister = function () {
     announcer.unregister(that);
   };
 
-    that.trigger = function(args) {
+  that.trigger = function (args) {
     var i;
-        for(i = 0; i < callback_a.length; i++) {
+    for (i = 0; i < callback_a.length; i += 1) {
       callback_a[i].apply(null, args);
     }
   };