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Added a fix for :nth-child(even/odd).

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This commit is contained in:
John Resig 2007-01-14 17:54:54 +00:00
parent 375499c1f3
commit e50a2f6ca3
1 changed files with 4 additions and 4 deletions
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8
src/selector/selector.js
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@ -14,7 +14,7 @@ jQuery.extend({
odd: "i%2", odd: "i%2",
// Child Checks // Child Checks
"nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling')==a", "nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling',a)==a",
"first-child": "jQuery.nth(a.parentNode.firstChild,1,'nextSibling')==a", "first-child": "jQuery.nth(a.parentNode.firstChild,1,'nextSibling')==a",
"last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a", "last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
"only-child": "jQuery.sibling(a.parentNode.firstChild).length==1", "only-child": "jQuery.sibling(a.parentNode.firstChild).length==1",
@ -409,13 +409,13 @@ jQuery.extend({
* @param String dir The direction to move in (pass in something like 'previousSibling' or 'nextSibling'). * @param String dir The direction to move in (pass in something like 'previousSibling' or 'nextSibling').
* @cat DOM/Traversing * @cat DOM/Traversing
*/ */
nth: function(cur,result,dir){ nth: function(cur,result,dir,elem){
result = result || 1; result = result || 1;
var num = 0; var num = 0;
for ( ; cur; cur = cur[dir] ) { for ( ; cur; cur = cur[dir] ) {
if ( cur.nodeType == 1 ) num++; if ( cur.nodeType == 1 ) num++;
if ( num == result || result == "even" && num % 2 == 0 && num > 1 || if ( num == result || result == "even" && num % 2 == 0 && num > 1 && cur == elem ||
result == "odd" && num % 2 == 1 ) return cur; result == "odd" && num % 2 == 1 && cur == elem ) return cur;
} }
}, },