How to use callbacks.empty () to clear a list of callbacks
This article mainly introduces how to use callbacks.empty () to clear a callback list, the article is very detailed, has a certain reference value, interested friends must read it!
Callbacks.empty ()
Description: removes all callbacks from the list.
Added version: 1.7callbacks.empty ()
This method does not accept any parameters
This method returns the callback object (this) that binds it.
Example
Clear a list of callbacks with callbacks.empty ():
/ / a sample logging function to be added to a callbacks list
Var foo = function (value1, value2) {
Console.log ("foo:" + value1 + "," + value2)
}
/ / another function to also be added to the list
Var bar = function (value1, value2) {
Console.log ("bar:" + value1 + "," + value2)
}
Var callbacks = $.Callrooms ()
/ / add the two functions
Callbacks.add (foo)
Callbacks.add (bar)
/ / empty the callbacks list
Callbacks.empty ()
/ / check to ensure all callbacks have been removed
Console.log (callbacks.has (foo))
/ / false
Console.log (callbacks.has (bar))
/ / false
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