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2025-03-29 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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Editor to share with you how to use callbacks.fired () to determine the callback, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!
Callbacks.fired ()
Description: determines whether the callback has been called at least once.
Added version: 1.7callbacks.fired ()
This method does not accept any parameters
Example
Use callbacks.fired () to determine whether the callback has been called at least once:
/ / a sample logging function to be added to a callbacks list
Var foo = function (value) {
Console.log ("foo:" + value)
}
Var callbacks = $.Callrooms ()
/ / add the function "foo" to the list
Callbacks.add (foo)
/ / fire the items on the list
Callbacks.fire ("hello"); / / outputs: "foo: hello"
Callbacks.fire ("world"); / / outputs: "foo: world"
/ / test to establish if the callbacks have been called
Console.log (callbacks.fired ())
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