Accessing cookies of an iFrame in parent window

Question

I am loading an iFrame of a different domain. Both the parent and the iFrame sites are under my control. I\'m using iFrame.postMessage to post messages to the iFrame. The si

Answer 1

This will give you the cookie of the iframe:

var cookie = document.getElementById("iframeId").contentDocument.cookie;

To get a cookie by name use this function (from stackoverflow):

function getCookie(cookie, name) {
    function escape(s) { return s.replace(/([.*+?\^${}()|\[\]\/\\])/g, '\\$1'); };
    var match = cookie.match(RegExp('(?:^|;\\s*)' + escape(name) + '=([^;]*)'));
    return match ? match[1] : null;
}