<ul><li name="li1" sortid="nav_1">aaaaaaa</li><li name="li1" sortid="nav_2">bbbbbbb</li><li name="li1" sortid="nav_3">cccccccc</li><li name="li1" sortid="nav_4">ddddddd</li><li name="li1" sortid="nav_5">eeeeeee</li><li name="li1" sortid="nav_6">fffffffffffffffff</li><li name="li1" sortid="nav_7">gggggggg</li><li name="li1" sortid="nav_8">hhhhhhhh</li><li name="li1" sortid="nav_9">iiiiiiiiiiiiiiiiiii</li></ul>//以sortid來遍歷$("li[sortid^='nav_']").each(function(i){      var sortid=$(this).attr("sortid");});//以name來遍歷$("[name=li1]").each(function(a,b){       var sortid= $(b).attr("sortid");});//如果已知某個sortid要取對象$("[sortid='nav_1']").attr("html");$("[sortid='nav_1']").attr("name");

//查找名字是clssId的文本對象$("input[name='clssId']").val();//查找id有一定規(guī)律的,例如查找dd標簽中id=single_xxx$("dd[id^=single_]").each(function(){      var id = $(this).attr("id");      alert(id.substring(7));});