Although it is possible for certain iOS apps (depending on the way they are implemented) to hide the status bar in iPhone/iPad, most of the app (barring games, video streaming apps) choose not to do so.
Safari and Chrome web browsers for iPad have no native control to take browser full screen. While scrolling through the webpage, however, the browser controls and address bar area shrinks to provide a bit more space for content.
While viewing streaming videos however, you do have an option to view it in fullscreen with status and browser controls hidden.
Safari for iOS
- Normal mode:
- Scrolling mode with controls hidden:
- Video streaming, full screen mode:
Chrome for iOS
- Normal mode:
- Scrolling mode with controls hidden: