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| author | Richard Gibson <richard.gibson@gmail.com> | 2013-09-05 14:04:11 -0400 |
|---|---|---|
| committer | Richard Gibson <richard.gibson@gmail.com> | 2013-09-12 16:45:12 -0400 |
| commit | 68213f20bb5d5426f99bafde028ecab601a9d105 (patch) | |
| tree | b6be3db335d6ae08aa205288e8e9a4e886ef17a0 /src/core.js | |
| parent | 1d57ffe5fff06928aac53813342d33ec6bddd531 (diff) | |
| download | jquery-68213f20bb5d5426f99bafde028ecab601a9d105.tar.gz jquery-68213f20bb5d5426f99bafde028ecab601a9d105.zip | |
Ref #14313: NaN detection. Close gh-1352.
(cherry picked from commit 0bc0a69026ce4c1ac570a729d3c975a4a55d0ff4)
Diffstat (limited to 'src/core.js')
| -rw-r--r-- | src/core.js | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/core.js b/src/core.js index 599caba64..0a8ba3893 100644 --- a/src/core.js +++ b/src/core.js @@ -221,7 +221,10 @@ jQuery.extend({ }, isNumeric: function( obj ) { - return !isNaN( parseFloat(obj) ) && isFinite( obj ); + // parseFloat NaNs numeric-cast false positives (null|true|false|"") + // ...but misinterprets leading-number strings, particularly hex literals ("0x...") + // subtraction forces infinities to NaN + return obj - parseFloat( obj ) >= 0; }, type: function( obj ) { |