jQuery callbacks.fired()Method
Example
Determine whether the callbacks have already been called at least once
$(function () {
//A simple function that will be added to the list
var foo = function( value ) {
alert( "foo:" + value );
};
var callbacks = $.Callbacks();
//Add function "foo" to the list
callbacks.add( foo );
//Call all callbacks in the list with the given argument
callbacks.fire( "hello" ); //Output: "foo: hello"
callbacks.fire( "world" ); //Output: "foo: world"
//Test whether the callback list has been called only once
alert( callbacks.fired() );
})
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Definition and Usage
The callbacks.fired() function determines whether the callbacks have already been called at least once.
Syntax
This method does not accept any parameters.
callbacks.fired()
Other Extensions
jQuery Miscellaneous Methods