http://www.cnblogs.com/xiaojinhe2/archive/2011/10/12/2208740.html
http://www.cnblogs.com/mabelstyle/archive/2013/02/19/2917260.html
var arr1 = [ "aaa", "bbb", "ccc" ]; $.each(arr1, function(i,val){ alert(i); alert(val); });
原文：http://www.cnblogs.com/stono/p/4369057.html