| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <script> | |
| function hangFor(ms) { | |
| const startTime = Date.now(); | |
| while (1) { | |
| if (Date.now() - startTime > ms) | |
| break; | |
| } | |
| } | |
| function setBodyHeight(height) { | |
| document.body.style.height = `${height}px`; | |
| } | |
| </script> | |
| <style> | |
| html, body { | |
| overflow: hidden; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |