Fixes iOS7.0.4's standalone webapp bug

gistfile1.js

(function fixIOS7HistoryState(global) {
    // Ensure we are running as a standalone webapp, in a version supporting the History.state property
    if (navigator.standalone && typeof browserHistory.state !== "undefined") {
        var browserLocation = global.location,
            fakeState = {},
            key = Math.random(),
            location = browserLocation.href,
            oldState = browserHistory.state,
            title = global.document.title;
    
        // Push a “fake” state object with a random key to avoid false positives with existing state objects
        fakeState[key] = true;
        browserHistory.replaceState(fakeState, title, location);
    
        function restoreOldState() {
            browserHistory.replaceState(oldState, title, location);
        }
    
        if (!browserHistory.state || !browserHistory.state[key]) {
            // History stack is not working, apply fix
            restoreOldState();
    
            // Force browser to create a new history stack by navigating to a different protocol than the current one, then return
            browserLocation.href = "data:text/html;base64," + global.btoa("<script>location.href = " + JSON.stringify(location) + ";</script>");
        }
    
        // Restore the correct history state, overwriting our “fake” one used to test
        restoreOldState();
    }
}(window));