After doing setting page.clipRect followed by page.render, how can you disable clipRect so that subsequent page renders are of the entire viewport?
page.clipRect = {top:0, left:0, height: 10, width: 10} ;
page.render('screencap.png'); // cropped image
page.clipRect = '';
page.render('fullscreen.png'); // still cropped image!
Simply reset all values for
clipRect:then PhantomJS will recapture the entire content again.