关于delete、window、global的一些小实验
摘要：
var x = 1;window.x = 2;window.y = 3;alert("x:" + x);alert("delete window.x:" + delete window.x);//falsealert("x:" + x);alert("x:" + y);alert("delete window.x:" + delete window.y);//truealert("x:" + y);可以看出通过var定义的变量x用delete删除不掉var a = 1;win 阅读全文
posted @ 2011-08-15 09:25 lydiafly 阅读(275) 评论(0) 推荐(0) 编辑