Wed, 31 Dec 2014 07:16:47 +0100
Revert simplistic fix pending revisit of Mozilla integration attempt.
michael@0 | 1 | <!DOCTYPE html> |
michael@0 | 2 | <html> |
michael@0 | 3 | <head> |
michael@0 | 4 | <script> |
michael@0 | 5 | |
michael@0 | 6 | function boom() |
michael@0 | 7 | { |
michael@0 | 8 | // Only this exact number of calls to bounce() triggers the bug, |
michael@0 | 9 | // but changing the depth of the document changes the number of |
michael@0 | 10 | // bounce() calls needed. For example, removing the 'p' tag |
michael@0 | 11 | // makes it so one additional bounce() is needed. |
michael@0 | 12 | |
michael@0 | 13 | for (var i = 0; i < 7; ++i) |
michael@0 | 14 | bounce(); |
michael@0 | 15 | |
michael@0 | 16 | var tr = document.getElementById("tr"); |
michael@0 | 17 | tr.style.display = "none"; |
michael@0 | 18 | document.documentElement.offsetHeight; |
michael@0 | 19 | bounce(); |
michael@0 | 20 | document.documentElement.offsetHeight; |
michael@0 | 21 | tr.style.display = ""; |
michael@0 | 22 | |
michael@0 | 23 | document.documentElement.offsetHeight; |
michael@0 | 24 | |
michael@0 | 25 | var td = document.getElementById("td"); |
michael@0 | 26 | td.style.display = "none"; |
michael@0 | 27 | document.documentElement.offsetHeight; |
michael@0 | 28 | bounce(); |
michael@0 | 29 | document.documentElement.offsetHeight; |
michael@0 | 30 | td.style.display = ""; |
michael@0 | 31 | } |
michael@0 | 32 | |
michael@0 | 33 | |
michael@0 | 34 | function bounce() |
michael@0 | 35 | { |
michael@0 | 36 | var docElem = document.documentElement; |
michael@0 | 37 | var docElemChildren = []; |
michael@0 | 38 | while (docElem.firstChild) { |
michael@0 | 39 | docElemChildren.push(docElem.firstChild); |
michael@0 | 40 | docElem.removeChild(docElem.firstChild); |
michael@0 | 41 | } |
michael@0 | 42 | |
michael@0 | 43 | for (var i = 0; i < docElemChildren.length; ++i) |
michael@0 | 44 | docElem.appendChild(docElemChildren[i]); |
michael@0 | 45 | } |
michael@0 | 46 | |
michael@0 | 47 | </script> |
michael@0 | 48 | |
michael@0 | 49 | <style type="text/css"> |
michael@0 | 50 | #a { color: orange; } |
michael@0 | 51 | #b { color: blue; } |
michael@0 | 52 | </style> |
michael@0 | 53 | |
michael@0 | 54 | </head> |
michael@0 | 55 | |
michael@0 | 56 | <body onload="boom();"> |
michael@0 | 57 | <table border="10"><tr id="tr"><td id="td"> |
michael@0 | 58 | <p><span id="a">a</span><span id="b">b</span></p> |
michael@0 | 59 | </td></tr></table> |
michael@0 | 60 | </body> |
michael@0 | 61 | |
michael@0 | 62 | </html> |