Revert "Attributes: do not set properties to false when removing booleans"

This reverts commit 5c086c3782459307c44397549fef15a87c8b90c4.

1 files changed, 18 insertions, 1 deletions

diff --git a/src/attributes/attr.js b/src/attributes/attr.js
index 22945c255..125e094d9 100644
--- a/src/attributes/attr.js
+++ b/src/attributes/attr.js
@@ -92,12 +92,29 @@ jQuery.extend( {
 	},
 
 	removeAttr: function( elem, value ) {
-		var name,
+		var name, propName,
 			i = 0,
 			attrNames = value && value.match( rnotwhite );
 
 		if ( attrNames && elem.nodeType === 1 ) {
 			while ( ( name = attrNames[ i++ ] ) ) {
+				propName = jQuery.propFix[ name ] || name;
+
+				// Boolean attributes get special treatment (#10870)
+				if ( jQuery.expr.match.bool.test( name ) ) {
+
+					// Set corresponding property to false
+					if ( getSetInput || !ruseDefault.test( name ) ) {
+						elem[ propName ] = false;
+
+					// Support: IE<9
+					// Also clear defaultChecked/defaultSelected (if appropriate)
+					} else {
+						elem[ jQuery.camelCase( "default-" + name ) ] =
+							elem[ propName ] = false;
+					}
+				}
+
 				elem.removeAttribute( name );
 			}
 		}