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index now works in reverse when passed a selector or undefined. fixes #3971

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This commit is contained in:
Brandon Aaron 2009-05-02 19:22:55 +00:00
parent cbda6c541b
commit ffd457d456
2 changed files with 40 additions and 24 deletions
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12
src/core.js
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@ -182,10 +182,16 @@ jQuery.fn = jQuery.prototype = {
// 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 ) {
@ -355,7 +361,7 @@ jQuery.extend({
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;
@ -383,7 +389,7 @@ jQuery.extend({
// 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 ) {