jQuery callbacks.add()Method
jQuery Miscellaneous MethodsExamples
Add functions to the callback list
$(function () {
var foo = function( value ) {
alert( "foo: " + value );
};
//Another function will be added to the list
var bar = function( value ){
alert( "bar: " + value );
};
var callbacks = $.Callbacks();
//Add function "foo" to the list
callbacks.add( foo );
//Call all callback list functions with arguments
callbacks.fire( "hello" );
//Output: "foo: hello"
//Add function "bar" to the list
callbacks.add( bar );
//Call all callback list functions with arguments
callbacks.fire( "world" );
//Output:
// "foo: world"
// "bar: world"
})
Try it Yourself »
Definition and Usage
The callbacks.add() function is used to add a callback or a collection of callbacks to the callback list.
Tip:This method returns a callback object to the callback list to which it is bound.
Syntax
callbacks.add( callbacks )
| Parameters | Description |
|---|---|
| callbacks | Function, Array type A function or an array of functions, used to add to the callback list |
Other Extensions