Added css hook to work around bug in WebKit computed margin-right. Fixes #3333 -...

[jquery.git] / src / support.js

diff --git a/src/support.js b/src/support.js
index 7470b33..939ad4f 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -67,7 +67,8 @@
                boxModel: null,
                inlineBlockNeedsLayout: false,
                shrinkWrapBlocks: false,
-               reliableHiddenOffsets: true
+               reliableHiddenOffsets: true,
+               reliableMarginRight: true
        };
 
        input.checked = true;
@@ -188,6 +189,17 @@
                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).marginRight, 10) || 0 ) === 0;
+               }
+
                body.removeChild( div ).style.display = "none";
                div = tds = null;
        });