fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> </head> <body> <script> $(function () { function fn1( value ) { alert( value ); } function fn2( value ) { fn1("fn2 says: " + value); return false; } var callbacks = $.Callbacks(); callbacks.add( fn1 ); // 输出: foo! callbacks.fire( "foo!" ); callbacks.add( fn2 ); // 输出: bar!, fn2 says: bar! callbacks.fire( "bar!" ); callbacks.remove( fn2 ); // 只输出 foobar, fn2 已经被移除。 callbacks.fire( "foobar" ); }) </script> </body> </html>
运行结果