Jonathan Snook has a work around to this problem. In his slides here, he shows how to (sort of) lock to portrait (see slide 54 and 55). The JS code from those slides: window.addEventListener('orientationchange', function () { if (window.orientation == -90) { document.getElementById('orient').className = 'orientright'; } if (window.orientation == 90) { document.getElementById('orient').className =
![Prevent orientation change in iOS Safari](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)