diff options
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 ) { |