Created
November 12, 2012 21:41
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autoscroll embedded javascript with some test text
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| <html> | |
| <body> | |
| <script type="text/javascript"> | |
| javascript:/*The Autoscroll Bookmarket:Tim Harper:http://tim.theenchanter.com*/ | |
| var _ss_interval_pointer; | |
| _ss_speed = 1; | |
| _ss_speed_pairs = [[0, 0], [1, 200.0], [1, 120.0], [1, 72.0], [1, 43.2], [1, 25.9], [2, 31.0], [4, 37.2], [8, 44.8], [8, 26.4], [16, 32.0]]; | |
| _ss_last_onkeypress = document.onkeypress; | |
| _ss_stop = function() { | |
| clearTimeout(_ss_interval_pointer) | |
| }; | |
| _ss_start = function() { | |
| _ss_abs_speed = Math.abs(_ss_speed); | |
| _ss_direction = _ss_speed/_ss_abs_speed; | |
| _ss_speed_pair = _ss_speed_pairs[_ss_abs_speed]; | |
| _ss_interval_pointer = setInterval('scrollBy(0,' + _ss_direction * _ss_speed_pair[0] + '); if ((pageYOffset <= 1) || (pageYOffset == document.height - innerHeight)) _ss_speed = 0;', _ss_speed_pair[1]); | |
| }; | |
| _ss_adj = function(q) { | |
| _ss_speed += q; | |
| if(Math.abs(_ss_speed) >= _ss_speed_pairs.length) | |
| _ss_speed = (_ss_speed_pairs.length - 1) * (_ss_speed / Math.abs(_ss_speed)) | |
| } | |
| _ss_quit = function() { | |
| _ss_stop(); | |
| document.onkeypress = _ss_last_onkeypress; | |
| }; | |
| document.onkeypress = function(e) { | |
| if ((e.charCode == 113) || (e.keyCode == 27)) { _ss_quit(); return}; | |
| if (e.charCode >= 48 && e.charCode <= 57) _ss_speed = e.charCode - 48; | |
| else | |
| switch (e.charCode) { | |
| case 95: _ss_adj(-2); | |
| case 45: _ss_adj(-1); | |
| break; | |
| case 43: _ss_adj(2); | |
| case 61: _ss_adj(1); | |
| break; | |
| }; | |
| _ss_stop(); | |
| _ss_start(); | |
| }; | |
| _ss_stop(); | |
| _ss_start(); | |
| </script> | |
| <div id="debug"></div> | |
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| </body> | |
| </html> |
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