今天在看到某网站的js代码如下
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!function(){var e=document.getElementById("container").getAttribute("data-init")||"init",s=document.getElementById("seajsnode").getAttribute("src"),o=s.lastIndexOf("?")>0?s.substring(s.lastIndexOf("?")+1):"20141111";seajs.config({alias:{jQuery:"jquery.min.js",init:"app/sInit.js",SuperSlide:"lib/jquery.SuperSlide.2.1.1.min.js",countUp:"lib/countUp.js",SmoothScroll:"lib/smoothscroll.js",imagesLoaded:"lib/imagesloaded.pkgd.min.js",Isotope:"lib/jquery.isotope.min.js",Colorbox:"lib/Colorbox/jquery.colorbox.min.js",cookie:"lib/jquery.cookie.js",json2:"lib/json2.js",util:"mod/util.js",silder:"mod/silder.js",formCheck:"mod/formCheck.js",placeholder:"mod/placeholder.js",sIndex:"app/sIndex.js",sArticle:"app/sArticle.js",sList:"app/sList.js"},map:[[/^(.*\/.*\.(?:css|js))(?:.*)$/i,"$1?"+o]],preload:["jQuery"]}),e&&seajs.use(e)}();
define("app/sInit",[],function(o){function n(){$(window).scrollTop()>500?$("#u-goTop").fadeIn():$("#u-goTop").fadeOut()}var t=/chrome/.test(navigator.userAgent.toLowerCase());t&&o.async("SmoothScroll"),$(".nav .item").hover(function(){clearTimeout(this.timer),$(this).find(".sub").show()},function(){var o=this;this.timer=setTimeout(function(){$(o).find(".sub").hide()},100)}),n(),$(window).scroll(function(){n()}),$("#u-goTop").on("click",function(){$("body,html").animate({scrollTop:0},500)})});请大牛指导这是什么怎么加密的，加密成这样的代码还有被人解密吗？
这个不是加密
这个是代码压缩加混淆
可以用 Uglify、YUICompressor、Google Closure Complier、Packer 等工具压缩成这样，并非真正意义上的加密，如果生产 map 的话，可以反压缩
你可以用在线的 Packer 试一下
http://dean.edwards.name/packer/