firebase promis

[Ashish Kumar]

i want to use then() function with on().

my syntax is

firebase.database().ref().on('child_added',function(data){

}).then(function(){

});

can i use it in this way.

[Michael Bleigh]

No. You can only use 'then' with 'once' listeners -- promises must only be resolved once and child_added is explicitly intended to trigger an indefinite number of times.

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