Make sure that .width()/.height() don't return NaN also standardize on returning instead of auto for default values (which is what we do elsewhere in .css() as well). Fixes #7225.

1 files changed, 2 insertions, 6 deletions

diff --git a/src/css.js b/src/css.js
index 88c4ffa05..30cecf39d 100644
--- a/src/css.js
+++ b/src/css.js
@@ -169,15 +169,11 @@ jQuery.each(["height", "width"], function( i, name ) {
 					});
 				}
 
-				if ( val < 0 ) {
-					return elem.style[ name ] || "0px";
-				}
-
-				if ( val === 0 ) {
+				if ( val <= 0 ) {
 					val = curCSS( elem, name, name );
 
 					if ( val != null ) {
-						return val;
+						return val === "auto" ? "" : val;
 					}
 				}