How JavaScript disables callbacks in callback lists

This article introduces the knowledge of "how to disable callbacks in JavaScript callback list". Many people will encounter this dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Allbacks.disable

Description: disable callbacks in callback list

Added version: 1.7callbacks.disable ()

This method does not accept any parameters

This method returns the callback object (this) that binds it.

Example

Use callbacks.disable () to disable further invocation of the callback in the callback list:

/ / a sample logging function to be added to a callbacks list

Var foo = function (value) {

Console.log (value)

}

Var callbacks = $.Callrooms ()

/ / add the above function to the list

Callbacks.add (foo)

/ / fire the items on the list

Callbacks.fire ("foo")

/ / outputs: foo

/ / disable further calls being possible

Callbacks.disable ()

/ / attempt to fire with "foobar" as an argument

Callbacks.fire ("foobar")

/ / foobar isn't output

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