| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .box { |
| width: 100px; |
| height: 100px; |
| border: 4px solid black; |
| } |
| </style> |
| <script> |
| function wheelHandler(e) |
| { |
| } |
| |
| function removeHandler() |
| { |
| window.setTimeout(function() { |
| var target = document.getElementById('target'); |
| target.removeEventListener('mousewheel', wheelHandler); |
| parent.frameChanged(); |
| }, 0); |
| } |
| |
| window.addEventListener('load', removeHandler, false); |
| </script> |
| </head> |
| <body> |
| |
| <div id="target" class="box"> |
| </div> |
| |
| <pre id="output"></pre> |
| |
| <script> |
| var target = document.getElementById('target'); |
| target.addEventListener('mousewheel', wheelHandler); |
| </script> |
| </body> |
| </html> |
