iOS launch app from safari or download app from store (from Square)

gistfile1.js

    a.launchOrInstallWallet = function () {
        var b = new Date().getTime();
        setTimeout(function () {
            if (new Date().getTime() - b < 200) {
                document.location = "itms://itunes.apple.com/us/app/square/id335393788"
            }
        }, 150);
        document.location = "square-unbox://"
    };