| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| video { | |
| width: 480px; | |
| height: 320px; | |
| position: absolute; | |
| } | |
| .offscreen { | |
| top: -320px; | |
| } | |
| </style> | |
| <script> | |
| function moveVideoOffscreen() { | |
| document.querySelector("video").classList.add("offscreen"); | |
| setTimeout(function() { | |
| try { | |
| window.webkit.messageHandlers.testHandler.postMessage("moved"); | |
| } catch(e) { | |
| } | |
| }, 0); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <video autoplay onplaying=moveVideoOffscreen()><source src="large-video-with-audio.mp4"></video> | |
| </body> | |
| <html> |