It is possible to send data from one web page to another without resorting to PHP or someother server side language by using localStorage.
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The text below for example has been read from Local Storage and should almost certainly be the last song played on Radio Wayne.
Blah, blah, blah.
If you haven't listened to Radio Wayne on this computer yet, there won't be any text.
localStorage.setItem("lastname", "Fred");
localStorage.getItem("lastname");