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Make the tabIndex hook first a propHook and add it to attrHooks for back-compat reasons. Fixes #9979.

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This commit is contained in:
timmywil
2011-08-04 15:47:53 -04:00
parent 3cfb134ab4
commit fd4ee2a397
2 changed files with 75 additions and 15 deletions
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35
src/attributes.js
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@@ -405,19 +405,6 @@ jQuery.extend({
}
}
},
tabIndex: {
get: function( elem ) {
// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
var attributeNode = elem.getAttributeNode("tabIndex");
return attributeNode && attributeNode.specified ?
parseInt( attributeNode.value, 10 ) :
rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
0 :
undefined;
}
},
// Use the value property for back compat
// Use the formHook for button elements in IE6/7 (#1954)
value: {
@@ -480,7 +467,7 @@ jQuery.extend({
}
} else {
if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== undefined ) {
if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
return ret;
} else {
@@ -489,9 +476,26 @@ jQuery.extend({
}
},
propHooks: {}
propHooks: {
tabIndex: {
get: function( elem ) {
// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
var attributeNode = elem.getAttributeNode("tabIndex");
return attributeNode && attributeNode.specified ?
parseInt( attributeNode.value, 10 ) :
rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
0 :
undefined;
}
}
}
});
// Add the tabindex propHook to attrHooks for back-compat
jQuery.attrHooks.tabIndex = jQuery.propHooks.tabIndex;
// Hook for boolean attributes
boolHook = {
get: function( elem, name ) {
@@ -604,6 +608,7 @@ if ( !jQuery.support.optSelected ) {
parent.parentNode.selectedIndex;
}
}
return null;
}
});
}