菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>	
<script src="https://cdn.staticfile.net/jquery/1.10.2/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( "unique" );
	callbacks.add( fn1 );
	callbacks.fire( "foo" );
	callbacks.add( fn1 ); // repeat addition
	callbacks.add( fn2 );
	callbacks.fire( "bar" );
	callbacks.remove( fn2 );
	callbacks.fire( "foobar" );
	/*输出:
	foo
	bar
	fn2 says:bar
	foobar
	*/
})
</script>
 
</body>
</html>
              