源代码:
<!DOCTYPE html> <html> <head> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("p").on("custom.someNamespace",function(event){ alert(event.namespace); }); $("p").click(function(event){ $(this).trigger("custom.someNamespace"); }); $("button").click(function(){ $("p").off("custom.someNamespace"); }); }); </script> </head> <body> <p>Click on this paragraph.</p> <button>Remove namespace</button> </body> </html>
运行结果：