实例首页
自学教程
IT工具箱
源代码
下载代码
上下布局
点击运行 >
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>runoops自学教程(runoops.com)</title> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script> </head> <body> <script> $(function () { function fn1( value ) { alert( value ); return false; } function fn2( value ) { fn1( "fn2 says: " + value ); return false; } var callbacks = $.Callbacks( "unique memory" ); callbacks.add( fn1 ); callbacks.fire( "foo" ); callbacks.add( fn1 ); // repeat addition callbacks.add( fn2 ); callbacks.fire( "bar" ); callbacks.add( fn2 ); callbacks.fire( "baz" ); callbacks.remove( fn2 ); callbacks.fire( "foobar" ); /*输出: foo fn2 says:foo bar fn2 says:bar baz fn2 says:baz foobar*/ }) </script> </body> </html>
运行结果：