diff options
Diffstat (limited to 'src/attributes/attr.js')
| -rw-r--r-- | src/attributes/attr.js | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/attributes/attr.js b/src/attributes/attr.js index ddddcada6..5a911c7d0 100644 --- a/src/attributes/attr.js +++ b/src/attributes/attr.js @@ -97,7 +97,15 @@ if ( isIE ) { }; } -jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { +// HTML boolean attributes have special behavior: +// we consider the lowercase name to be the only valid value, so +// getting (if the attribute is present) normalizes to that, as does +// setting to any non-`false` value (and setting to `false` removes the attribute). +// See https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#boolean-attributes +jQuery.each( ( + "checked selected async autofocus autoplay controls defer disabled " + + "hidden ismap loop multiple open readonly required scoped" +).split( " " ), function( _i, name ) { jQuery.attrHooks[ name ] = { get: function( elem ) { var ret, |