angularjs - How to start using $q? -


i've tried inject $q in controller this:

app.controller('nodectrl', ['tree', function(tree, $scope, $element, $q) {

but, $q not defined, how can start using it? using angular 1.4

you need inject add argument list:

app.controller('nodectrl', ['tree', '$scope', '$element', '$q',                 function(tree, $scope, $element, $q) {

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