diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/attributes/attr.js | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/attributes/attr.js b/src/attributes/attr.js index ae48676d1..00b08489d 100644 --- a/src/attributes/attr.js +++ b/src/attributes/attr.js @@ -7,7 +7,14 @@ define( [ ], function( jQuery, access, support, rnotwhite ) { var boolHook, - attrHandle = jQuery.expr.attrHandle; + attrHandle = jQuery.expr.attrHandle, + + // Exclusively lowercase A-Z in attribute names (gh-2730) + // https://dom.spec.whatwg.org/#converted-to-ascii-lowercase + raz = /[A-Z]+/g, + lowercase = function( ch ) { + return ch.toLowerCase(); + }; jQuery.fn.extend( { attr: function( name, value ) { @@ -39,7 +46,7 @@ jQuery.extend( { // All attributes are lowercase // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { - name = name.toLowerCase(); + name = name.replace( raz, lowercase ); hooks = jQuery.attrHooks[ name ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); } |