http://chriskief.com/2014/05/03/how-to-prevent-ios-standalone-mode-web-apps-from-opening-links-in-safari-coffeescript-version/

standalone.coffee

# based on http://stanislav.it/how-to-prevent-ios-standalone-mode-web-apps-from-opening-links-in-safari/
if window.navigator.standalone?

    noddy = false
    remotes = false

    document.addEventListener 'click', (event) ->

        noddy = event.target

        while noddy.nodeName isnt 'A' and noddy.nodeName isnt 'HTML'
            noddy = noddy.parentNode

        if noddy.href? and !!~ noddy.href.indexOf('http') and (!!~ noddy.href.indexOf(document.location.host) || remotes)
            event.preventDefault()
            document.location.href = noddy.href

        return

    , false