jasonsanjose · July 28, 2014 20:49 · Jul 28, 2014
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,26 @@
+    var cookieVal = document.cookie,
+        testVal = "mixpanel",
+        localStorageKey = "mixpanel-cookie",
+        canWriteCookie = false;
+
+    // Test cookie
+    document.cookie = testVal;
+    canWriteCookies = document.cookie === testVal;
+
+    // Restore cookie
+    document.cookie = cookieVal;
+
+    if (!canWriteCookie) {
+        Object.defineProperty(
+            document,
+            "cookie",
+            {
+                get: function () {
+                    return window.localStorage.getItem(localStorageKey);
+                },
+                set: function (val) {
+                    window.localStorage.setItem(localStorageKey, val);
+                }
+            }
+        );
+    }