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Callbacks.has (callback)

Description: determines whether a callback is provided in the list

Added version: 1.7callbacks.has (callback)

Callback

Type: Function ()

The callback function used to find.

Example:

Use callbacks.has () to check if a callback is provided in the list:

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

Var foo = function (value1, value2) {

Console.log ("Received:" + value1 + "," + value2)

}

/ / a second function which will not be added to the list

Var bar = function (value1, value2) {

Console.log ("foobar")

}

Var callbacks = $.Callrooms ()

/ / add the log method to the callbacks list

Callbacks.add (foo)

/ / determine which callbacks are in the list

Console.log (callbacks.has (foo))

/ / true

Console.log (callbacks.has (bar))

/ / false

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