diff options
Diffstat (limited to 'src/support.js')
| -rw-r--r-- | src/support.js | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/src/support.js b/src/support.js index 7470b33e8..89d2bfea2 100644 --- a/src/support.js +++ b/src/support.js @@ -7,8 +7,9 @@ var div = document.createElement("div"); div.style.display = "none"; - div.innerHTML = " <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><input type='checkbox'/>"; - + div.setAttribute("className", "t"); + div.innerHTML = " <link/><table></table><a href='/a' style='top:1px;float:left;opacity:.55;'>a</a><input type='checkbox'/>"; + var all = div.getElementsByTagName("*"), a = div.getElementsByTagName("a")[0], select = document.createElement("select"), @@ -33,8 +34,8 @@ htmlSerialize: !!div.getElementsByTagName("link").length, // Get the style information from getAttribute - // (IE uses .cssText insted) - style: /red/.test( a.getAttribute("style") ), + // (IE uses .cssText instead, and capitalizes all property names) + style: /top/.test( a.getAttribute("style") ), // Make sure that URLs aren't manipulated // (IE normalizes it by default) @@ -57,6 +58,9 @@ // Make sure that a selected-by-default option has a working selected property. // (WebKit defaults to false instead of true, IE too, if it's in an optgroup) optSelected: opt.selected, + + // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7) + getSetAttribute: div.className !== "t", // Will be defined later deleteExpando: true, @@ -67,7 +71,8 @@ boxModel: null, inlineBlockNeedsLayout: false, shrinkWrapBlocks: false, - reliableHiddenOffsets: true + reliableHiddenOffsets: true, + reliableMarginRight: true }; input.checked = true; @@ -85,15 +90,15 @@ script = document.createElement("script"), id = "script" + jQuery.now(); + // Make sure that the execution of code works by injecting a script + // tag with appendChild/createTextNode + // (IE doesn't support this, fails, and uses .text instead) try { script.appendChild( document.createTextNode( "window." + id + "=1;" ) ); } catch(e) {} root.insertBefore( script, root.firstChild ); - // Make sure that the execution of code works by injecting a script - // tag with appendChild/createTextNode - // (IE doesn't support this, fails, and uses .text instead) if ( window[ id ] ) { _scriptEval = true; delete window[ id ]; @@ -102,8 +107,6 @@ } root.removeChild( script ); - // release memory in IE - root = script = id = null; } return _scriptEval; @@ -188,6 +191,17 @@ jQuery.support.reliableHiddenOffsets = jQuery.support.reliableHiddenOffsets && tds[0].offsetHeight === 0; div.innerHTML = ""; + // Check if div with explicit width and no margin-right incorrectly + // gets computed margin-right based on width of container. For more + // info see bug #3333 + // Fails in WebKit before Feb 2011 nightlies + // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right + if ( document.defaultView && document.defaultView.getComputedStyle ) { + div.style.width = "1px"; + div.style.marginRight = "0"; + jQuery.support.reliableMarginRight = ( parseInt(document.defaultView.getComputedStyle(div, null).marginRight, 10) || 0 ) === 0; + } + body.removeChild( div ).style.display = "none"; div = tds = null; }); @@ -211,8 +225,6 @@ el.setAttribute(eventName, "return;"); isSupported = typeof el[eventName] === "function"; } - el = null; - return isSupported; }; |