function nav(name, csskey,cssvalue) {var url = window.location.pathname + window.location.search;var v1 = "";$(name).each(function () {v1 = "/" + $(this).attr("href");if (v1 == url) {var v2 = $(this).css(csskey, cssvalue);}})}用法如下:<script src="Scripts/commo.js" type="text/javascript"></script><script type="text/javascript"> window.onload = function () { nav(".top ul li a", "background-color", "rgb(255,89,0)"); }</script>希望本文所述对大家的jQuery程序设计有所帮助。