navigator objects undefined

Hi all,

I have been getting these navigator object undefined errors recently on inclusion of network-information and dialogs plugin. I am getting an error like typedef error: navigator object is undefined ('evaluating navigator.connection.type) and typedef error: navigator object is undefined ('evaluating navigator.notification.alert). please help me out with this if u need any further information please let me know. I never noticed them earlier and my sincere apologies if i have posted it in the wrong way i am new to this