iPad 2
screen.availWidth = 768
screen.availWidth = 748
screen.availWidth = 768
screen.availHeight = 1004
screen.availWidth = 748
screen.availHeight = 1024
问题:先打开两个页.都显示availWidth,先竖屏,切换tab页,刷新页面.再横屏,切换tab页,刷新页面.显示效果不同.