Disable show page in frame

disable_frame.js

if (top != self) {
    var enable = ["example.com","dev.example.com"];
    var ourPage = false;
    var hostname = document.referrer.split("/")[2].split(":")[0];
    for (var i=0; i < enable.length; i++) {
        if (hostname == enable[i]  || hostname == "www." + enable[i]) {
            ourPage = true;
            break;
        }
    }
    if ( ! ourPage) {
        window.top.location = window.location.href;
    }
}