19b6b3433a
$evalAsync triggers a digest, and is unsuitable when it is expected that a digest should not occur.
BREAKING CHANGE
Previously, even if invokeApply was set to false, a $rootScope digest would occur during promise
resolution. This is no longer the case, as promises returned from $timeout and $interval will no
longer trigger $evalAsync (which in turn causes a $digest) if `invokeApply` is false.
Workarounds include manually triggering $scope.$apply(), or returning $q.defer().promise from a
promise callback, and resolving or rejecting it when appropriate.
var interval = $interval(function() {
if (someRequirementFulfilled) {
$interval.cancel(interval);
$scope.$apply();
}
}, 100, 0, false);
or:
var interval = $interval(function (idx) {
// make the magic happen
}, 1000, 10, false);
interval.then(function(idx) {
var deferred = $q.defer();
// do the asynchronous magic --- $evalAsync will cause a digest and cause
// bindings to update.
return deferred.promise;
});
Closes #7999
Closes #7103
AngularJS 
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets you use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly. It automatically synchronizes data from your UI (view) with your JavaScript objects (model) through 2-way data binding. To help you structure your application better and make it easy to test, AngularJS teaches the browser how to do dependency injection and inversion of control. Oh yeah and it also helps with server-side communication, taming async callbacks with promises and deferreds; and makes client-side navigation and deeplinking with hashbang urls or HTML5 pushState a piece of cake. The best of all: it makes development fun!
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