iOS App Mode Bookmarklet (Minimal)

javascript:(function(){var a=document.getElementsByTagName('head').item(0);if(document.querySelectorAll('meta[name=apple-mobile-web-app-capable]').length==0){var c=document.createElement('meta');c.name='apple-mobile-web-app-capable';c.content='yes';a.appendChild(c)};alert('App Mode Enabled')})();