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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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