Created
June 4, 2015 17:37
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$q Demo
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<html> | |
<head> | |
<title>$q Demo</title> | |
</head> | |
<body ng-app="qDemo"> | |
<div ng-controller="qDemoCtrl"> | |
<label></label> | |
<input type="number" ng-model="testNumber"> | |
<button ng-click="fireAsync(testNumber)">Async!</button> | |
<h1>{{ newNumber }}</h1> | |
<div ng-controller="nestedController"> | |
<input type="number" ng-model="nestedTestNumber"> | |
<button ng-click="fireAsync(nestedTestNumber)">Nested Async!</button> | |
<h1>{{ newNumber }}</h1> | |
</div> | |
</div> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.15/angular.js"></script> | |
<script type="text/javascript"> | |
var a = 'black'; | |
(function() { | |
var a = 'blue'; | |
console.log('1 a', a); | |
a = "red"; | |
})(); | |
(function() { | |
console.log('2 a', a); | |
})(); | |
(function() { | |
a = 'green'; | |
console.log('3 a', a); | |
})(); | |
console.log('4 a', a); | |
angular.module('qDemo', []); | |
angular.module('qDemo').service('asyncDemoService', function($q, $timeout, $http) { | |
return { | |
asyncAction: function(number) { | |
var deferred = $q.defer(); | |
$timeout(function() { | |
if (number < 0) { | |
deferred.reject("Number must be greater than zero!"); | |
} else if (number === 0) { | |
deferred.notify("You're zero"); | |
} else { | |
deferred.resolve(number); | |
} | |
}, 1000); | |
return deferred.promise; | |
}, | |
iTunesCall: function() { | |
return $http.JSONP("http://itunesadkfljadlfkja.com/adfdaf"); | |
} | |
}; | |
}); | |
angular.module('qDemo').controller('qDemoCtrl', function($scope, asyncDemoService) { | |
$scope.fireAsync = function(number) { | |
var promise = asyncDemoService.asyncAction(number); | |
promise.then(function(newNumber) { | |
$scope.newNumber = newNumber; | |
}, function(error) { | |
console.log('error', error); | |
}, function(message) { | |
console.log('notify message', message); | |
}); | |
}; | |
$scope.setNewNumber = function(number) { | |
$scope.newNumber = number; | |
}; | |
}); | |
angular.module('qDemo').controller('nestedController', function($scope, asyncDemoService) { | |
$scope.fireAsync = function(number) { | |
var promise = asyncDemoService.asyncAction(number); | |
promise.then(function(newNumber) { | |
scope.setNewNumber(newNumber); | |
//$scope.newNumber = newNumber; | |
}); | |
}; | |
}); | |
</script> | |
</body> | |
</html> |
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