// Determine the position of an element within
// the matched set of elements
index: function( elem ) {
// Determine the position of an element within
// the matched set of elements
index: function( elem ) {
// Locate the position of the desired element
return jQuery.inArray(
// If it receives a jQuery object, the first element is used
// Locate the position of the desired element
return jQuery.inArray(
// If it receives a jQuery object, the first element is used