X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Foffset.js;h=a3776c201172da4379878a57eb93740d011d7b50;hb=9dc6e0c572b9c809a3a4c123071d96d48a01dd1c;hp=c472f98520a65c578870dd8fb6101588730dc912;hpb=19b5d9e874bbd97d03d9e0561a70711e2bf91fcb;p=jquery.git

diff --git a/src/offset.js b/src/offset.js
index c472f98..a3776c2 100644
--- a/src/offset.js
+++ b/src/offset.js
@@ -1,5 +1,8 @@
 (function( jQuery ) {
 
+var rtable = /^t(?:able|d|h)$/i,
+	rroot = /^(?:body|html)$/i;
+
 if ( "getBoundingClientRect" in document.documentElement ) {
 	jQuery.fn.offset = function( options ) {
 		var elem = this[0];
@@ -72,7 +75,7 @@ if ( "getBoundingClientRect" in document.documentElement ) {
 				top  += elem.offsetTop;
 				left += elem.offsetLeft;
 
-				if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && /^t(able|d|h)$/i.test(elem.nodeName)) ) {
+				if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && rtable.test(elem.nodeName)) ) {
 					top  += parseFloat( computedStyle.borderTopWidth  ) || 0;
 					left += parseFloat( computedStyle.borderLeftWidth ) || 0;
 				}
@@ -207,7 +210,7 @@ jQuery.fn.extend({
 
 		// Get correct offsets
 		offset       = this.offset(),
-		parentOffset = /^body|html$/i.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();
+		parentOffset = rroot.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();
 
 		// Subtract element margins
 		// note: when an element has margin: auto the offsetLeft and marginLeft
@@ -229,7 +232,7 @@ jQuery.fn.extend({
 	offsetParent: function() {
 		return this.map(function() {
 			var offsetParent = this.offsetParent || document.body;
-			while ( offsetParent && (!/^body|html$/i.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
+			while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
 				offsetParent = offsetParent.offsetParent;
 			}
 			return offsetParent;