Does the face data gets transferred to Affectiva?

When I make use of the Javascript SDK, does the recorded face data gets trans·fered to Affectia’s server or does it only get analyzed locally? If not, why do I need networking connection to get it running?

the JS SDK uses the internet connectivity to download its payload ( the classification models and dependent libraries). It doesn’t transfer face data to our cloud servers. The emotion classification happens in the browser VM.