jQuery callbacks.add () method
Examples
Add a callback function to the list of functions
$ (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 the function "foo" to the list
callbacks. add ( foo ); // Passing parameters to call all the callback function list
callbacks. fire ( "Hello" ); // Output: "foo: hello"
// Add the function "bar" to the list
callbacks. add ( bar ); // Passing parameters to call all the callback function list
callbacks. fire ( "World" ); // Output:
// "Foo: world"
// "Bar: world"
})
try it"
Definition and Usage
callbacks.add () function in the callback list for adding a callback or callback set.
Tip: This method returns a callback object to the callback list it binding.
grammar
callbacks.add( callbacks )
| 参数 | 描述 |
|---|---|
| callbacks | Function,Array类型 一个函数或者一个函数数组，用来添加到回调列表 |