diff options
Diffstat (limited to 'src/support.js')
| -rw-r--r-- | src/support.js | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/support.js b/src/support.js index dcc61fbfe..c9f22079b 100644 --- a/src/support.js +++ b/src/support.js @@ -256,22 +256,25 @@ jQuery.support = (function() { // related to the invisible body in IE8 jQuery(function() { var outer, inner, table, td, offsetSupport, - bodyMarginTop = 1, + conMarginTop = 1, ptlm = "position:absolute;top:0;left:0;width:1px;height:1px;margin:0;", style = "style='" + ptlm + "border:5px solid #000;padding:0;'", html = "<div " + style + "><div></div></div>" + "<table " + style + " cellpadding='0' cellspacing='0'>" + "<tbody><tr><td></td></tr></tbody></table>"; + // Reconstruct a container body = document.getElementsByTagName("body")[0]; + container = document.createElement("div"); + container.style.cssText = "width:0;height:0;border:0;visibility:hidden;position:static;top:0;marginTop:" + conMarginTop + "px"; + body.insertBefore( container, body.firstChild ); + + // Construct a test element testElement = document.createElement("div"); - body.style.position = "static"; - body.style.top = "0px"; - body.style.marginTop = bodyMarginTop + "px"; testElement.style.cssText = ptlm + "border:0;visibility:hidden"; testElement.innerHTML = html; - body.appendChild( testElement ); + container.appendChild( testElement ); outer = testElement.firstChild; inner = outer.firstChild; td = outer.nextSibling.firstChild.firstChild.firstChild; @@ -292,9 +295,12 @@ jQuery.support = (function() { outer.style.position = "relative"; offsetSupport.subtractsBorderForOverflowNotVisible = ( inner.offsetTop === -5 ); - offsetSupport.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== bodyMarginTop ); + offsetSupport.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== conMarginTop ); + + body.removeChild( container ); + testElement = container = null; - body.removeChild( testElement ); + // Extend both jQuery.offset and jQuery.support jQuery.extend( jQuery.offset, offsetSupport ); jQuery.extend( support, offsetSupport ); }); @@ -303,7 +309,7 @@ jQuery.support = (function() { testElementParent.removeChild( testElement ); // Null connected elements to avoid leaks in IE - testElement = fragment = select = opt = body = marginDiv = div = input = null; + fragment = select = opt = body = marginDiv = div = input = null; return support; })(); |