// Determine the position of an element within
// the matched set of elements
index: function( elem ) {
+ if ( !elem || typeof elem === "string" ) {
+ return jQuery.inArray( this[0],
+ // If it receives a string, the selector is used
+ // If it receives nothing, the siblings are used
+ elem ? jQuery( elem ) : this.parent().children() );
+ }
// Locate the position of the desired element
return jQuery.inArray(
// If it receives a jQuery object, the first element is used
- elem && elem.jquery ? elem[0] : elem, this );
+ elem.jquery ? elem[0] : elem, this );
},
is: function( selector ) {
if ( array != null ) {
i = array.length;
-
+
// The window, strings (and functions) also have 'length'
if ( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
ret[0] = array;
// We have to loop this way because IE & Opera overwrite the length
// expando of getElementsByTagName
var i = 0, elem, pos = first.length;
-
+
// Also, we need to make sure that the correct elements are being returned
// (IE returns comment nodes in a '*' query)
if ( !jQuery.support.getAll ) {