Is it possible to avoid transition to landscape view in Safari for iOS when the device is rotated?
iOS Safari has the \"orentationchange\" event, I tried to intercep
There is no way to force a particular orientation in Mobile Safari; it'll always autorotate when the user rotates their device.
Perhaps you can display something for unsupported orientations informing the user that the orientations aren't supported, and that they need to rotate the device back in order to use your web app.