jquery根据属性和index来查找属性值并操作
<divclass="zy_menuclearfix"> <ahref="javascript:;"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="1"id="assoeted1"class="hover_a">课件库</a><ahref="javascript:;"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="2"id="assoeted2">课堂实录</a><ahref="javascript:;"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="3"id="assoeted3">试题库</a><ahref="javascript:;"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="4"id="assoeted4">教案库</a><ahref="javascript:;"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="externalnofollow"rel="5"id="assoeted5">素材库</a> </div>
varassoeted=5;
$(".zy_menua[rel="+assoeted+"]").removeClass("hover_a").addClass("hover_a");
$(".zy_menua").removeClass("hover_a").eq(assoeted-1).addClass("hover_a");热门推荐
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