Attributes: fix tabIndex on <img> in IE11

Queeniebee · gibson042 · commit cf4092eeea01 · 2015-10-25T15:15:55.000-04:00
Fixes gh-2647 Closes gh-2664 (cherry picked from commit c752a50) Conflicts: src/attributes/prop.js
diff --git a/test/unit/attributes.js b/test/unit/attributes.js
@@ -733,6 +733,13 @@ QUnit.test( "prop('tabindex')", function( assert ) {
 	assert.equal( jQuery( "#linkWithNoHrefWithNegativeTabIndex" ).prop( "tabindex" ), -1, "anchor without href, no tabindex set" );
 } );
 
+QUnit.test( "image.prop( 'tabIndex' )", function( assert ) {
+	assert.expect( 1 );
+	var image = jQuery("<img src='data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7' />")
+		.appendTo("#qunit-fixture");
+	assert.equal( image.prop("tabIndex" ), -1, "tabIndex on image" );
+} );
+
 QUnit.test( "prop('tabindex', value)", function( assert ) {
 	assert.expect( 10 );
 
