else {
var elem = document.getElementById( match[3] );
- // Make sure an element was located
- if ( elem ){
- // Handle the case where IE and Opera return items
- // by name instead of ID
- if ( elem.id != match[3] )
- return jQuery().find( selector );
-
- // Otherwise, we inject the element directly into the jQuery object
- var ret = jQuery( elem );
- ret.context = document;
- ret.selector = selector;
- return ret;
- }
- selector = [];
+ // Handle the case where IE and Opera return items
+ // by name instead of ID
+ if ( elem && elem.id != match[3] )
+ return jQuery().find( selector );
+
+ // Otherwise, we inject the element directly into the jQuery object
+ var ret = jQuery( elem || [] );
+ ret.context = document;
+ ret.selector = selector;
+ return ret;
}
// HANDLE: $(expr, [context])
},
wrapAll: function( html ) {
- if ( this[0] )
+ if ( this[0] ) {
// The elements to wrap the target around
- jQuery( html, this[0].ownerDocument )
- .clone()
- .insertBefore( this[0] )
- .map(function(){
- var elem = this;
+ var wrap = jQuery( html, this[0].ownerDocument ).clone();
+
+ if ( this[0].parentNode )
+ wrap.insertBefore( this[0] );
- while ( elem.firstChild )
- elem = elem.firstChild;
+ wrap.map(function(){
+ var elem = this;
- return elem;
- })
- .append(this);
+ while ( elem.firstChild )
+ elem = elem.firstChild;
+
+ return elem;
+ }).append(this);
+ }
return this;
},
// check if an element is in a (or is an) XML document
isXMLDoc: function( elem ) {
- return elem.documentElement && !elem.body ||
- elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+ return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
+ !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument );
},
// Evalulates a script in a global context
// internal only, use hasClass("class")
has: function( elem, className ) {
- return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
+ return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
}
},
// Safari mis-reports the default selected property of a hidden option
// Accessing the parent's selectedIndex property fixes it
- if ( name == "selected" )
+ if ( name == "selected" && elem.parentNode )
elem.parentNode.selectedIndex;
// If applicable, access the attribute via the DOM 0 way
var attributeNode = elem.getAttributeNode( "tabIndex" );
return attributeNode && attributeNode.specified
? attributeNode.value
- : elem.nodeName.match(/^(a|area|button|input|object|select|textarea)$/i)
+ : elem.nodeName.match(/(button|input|object|select|textarea)/i)
? 0
- : undefined;
+ : elem.nodeName.match(/^(a|area)$/i) && elem.href
+ ? 0
+ : undefined;
}
return elem[ name ];