Microsoft Dynamics 365 v9.0: Xrm.Navigation

There have been some client API enhancement in Dynamics 365 (V9) as mentioned in 
the What's new for developers article. 

We've got some new functions in Xrm.Navigation namespace  ;

openAlertDialog
openConfirmDialog
openDialog
openErrorDialog
openFile
openForm
openTaskFlow
openUrl
openWebResource

OpenAlertDialog
In previous version of Dynamics 365 , "Xrm.Utility.alertDialog" function is used for alert notifications. With the new version it is replaced by "Xrm.Navigation.openAlertDialog" . you can see how it's working and the code below.

function NameOnChange(executionContext) {

    var alertStrings = {
    title: "Account Name",
    text: "Account Name is changed as '" + executionContext.getEventSource().getValue() + "'",
    confirmButtonLabel: "Continue"
};
var options = {
    height: 200,
    width: 600,
};
Xrm.Navigation.openAlertDialog(alertStrings, options)
    .done(function () {
        
        alert("Alerted");
    });
}

OpenConfirmDialog

var confirmStrings = {
    title: "New Confirm",
    text: "Do you want to proceed with new confirm dialog",
    subtitle: "Please confirm",
    confirmButtonLabel: "Proceed",
    cancelButtonLabel: "Abort",
};

var options = {
    height: 200,
    width: 600,
};
Xrm.Navigation.openConfirmDialog(confirmStrings, options)
    .done(function () {
        var confirmDialogResponse = arguments[0];
        if (confirmDialogResponse.confirmed) {
            alert("Proceed");
        }
        else {
            alert("Abort");
        }

    });