window.innerWidth in Chrome's device mode

Question

When in google chrome\'s device mode, what does window.innerWidth return? Is it the viewport of the device (plus any scroll bars)?

I\'m getting different values for

Answer 1

I'm not sure if this is a recent update (since the last responses), but I was able to find the viewport height/width by using:

window.screen.width

and

window.screen.height

This was particularly useful when I was trying to test whether the screen was phone-sized or not.