how to sync window.top.location and window.location?
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window.top.location is return you to broswer's address bar location even you'r in i-frame or page.. window.location is return location of your current page address in case facebook apps. if you want to top query-string you have to use
alert(window.top.location);
if u want to replace top location then
window.top.location = "http://whatever.com";
This is how you set the parent of the frame (
top
) to the location of the frame document...Of course, this code must be executed within the iframe, and is succeptible to the Same-Origin Policy.