参考にさせていただいたサイト
jQuery Blink Plugin | www.antiyes.com
http://www.antiyes.com/jquery-blink-plugin
(function($){ $.fn.blink = function(options){ var defaults = { delay: 500 }; var options = $.extend(defaults, options); return this.each(function(){ var obj = $(this); obj.delay = options.delay; setInterval(function(){ if (obj.css("visibility") == "visible") { obj.css('visibility', 'hidden'); } else { obj.css('visibility', 'visible'); } }, obj.delay); }); } }(jQuery));