读取 cookie，更新 cookie 的新名称/值，然后再次读取 cookie

Question

I need to read the existing Javascript cookie, add a name and value pair to that cookie. Then read the cookie again checking for whether the added name value pair is existing. if on exists i need to do the page redirect.

Answer 1

Here's how one would set a cookie and then test its value using the YUI framework. Every framework has cookie functions which make it easier: http://jsfiddle.net/jfriend00/RahHQ/ .