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Diffstat (limited to 'src/css.js')
| -rw-r--r-- | src/css.js | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/css.js b/src/css.js index 3d7565020..5144ee9ca 100644 --- a/src/css.js +++ b/src/css.js @@ -411,7 +411,10 @@ function getWidthOrHeight( elem, name, extra ) { valueIsBorderBox = true, isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box"; - if ( val <= 0 ) { + // some non-html elements return undefined for offsetWidth, so check for null/undefined + // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 + // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 + if ( val <= 0 || val == null ) { // Fall back to computed then uncomputed css if necessary val = curCSS( elem, name ); if ( val < 0 || val == null ) { |