Questions API Methods
once()
Set up a one-time event listener. Will fire once and then stop listening.
Examples
questionsApp.once("changed");
//Sets up a one-time listener for the 'changed' event with this Question app instance.
Arguments
-
eventName string
Name of the event that you want to listen to, once.
-
eventCallback callback
Callback function that will be triggered once, when the event is fired.
-
context object
Execution context that will be used for
this
when the callback function is triggered.
Return value
None (undefined
).