Remove stranded support.js checks for oldIE.

src/support.js

@@ -21,25 +21,6 @@ jQuery.support = (function() {
 
 	a.style.cssText = "float:left;opacity:.5";
 	support = {
-		// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
-		getSetAttribute: div.className !== "t",
-
-		// IE strips leading whitespace when .innerHTML is used
-		leadingWhitespace: div.firstChild.nodeType === 3,
-
-		// Make sure that tbody elements aren't automatically inserted
-		// IE will insert them into empty tables
-		tbody: !div.getElementsByTagName("tbody").length,
-
-		// Make sure that link elements get serialized correctly by innerHTML
-		// This requires a wrapper element in IE
-		htmlSerialize: !!div.getElementsByTagName("link").length,
-
-		// Make sure that element opacity exists
-		// (IE uses filter instead)
-		// Use a regex to work around a WebKit issue. See #5145
-		opacity: /^0.5/.test( a.style.opacity ),
-
 		// Verify style float existence
 		// (IE uses styleFloat instead of cssFloat)
 		cssFloat: !!a.style.cssFloat,
@@ -51,10 +32,6 @@ jQuery.support = (function() {
 		// Support: IE9, IE10
 		optSelected: opt.selected,
 
-		// Makes sure cloning an html5 element does not cause problems
-		// Where outerHTML is undefined, this still works
-		html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",
-
 		// jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
 		boxModel: document.compatMode === "CSS1Compat",
 

test/unit/css.js

@@ -3,7 +3,7 @@ if ( jQuery.css ) {
 module("css", { teardown: moduleTeardown });
 
 test("css(String|Hash)", function() {
-	expect( 46 );
+	expect( 45 );
 
 	equal( jQuery("#qunit-fixture").css("display"), "block", "Check for css property \"display\"" );
 
@@ -66,9 +66,6 @@ test("css(String|Hash)", function() {
 	equal( jQuery("#empty").css("opacity"), "0", "Assert opacity is accessible via filter property set in stylesheet in IE" );
 	jQuery("#empty").css({ "opacity": "1" });
 	equal( jQuery("#empty").css("opacity"), "1", "Assert opacity is taken from style attribute when set vs stylesheet in IE with filters" );
-	jQuery.support.opacity ?
-		ok(true, "Requires the same number of tests"):
-		ok( ~jQuery("#empty")[0].currentStyle.filter.indexOf("gradient"), "Assert setting opacity doesn't overwrite other filters of the stylesheet in IE" );
 
 	div = jQuery("#nothiddendiv");
 	var child = jQuery("#nothiddendivchild");
@@ -273,43 +270,6 @@ test( "css(Array)", function() {
 	deepEqual( elem.css( expectedSingle ).css([ "width" ]), expectedSingle, "Getting single element array" );
 });
 
-if ( !jQuery.support.opacity ) {
-	test("css(String, Object) for MSIE", function() {
-		expect( 5 );
-		// for #1438, IE throws JS error when filter exists but doesn't have opacity in it
-		jQuery("#foo").css("filter", "progid:DXImageTransform.Microsoft.Chroma(color='red');");
-		equal( jQuery("#foo").css("opacity"), "1", "Assert opacity is 1 when a different filter is set in IE, #1438" );
-
-		var filterVal = "progid:DXImageTransform.Microsoft.Alpha(opacity=30) progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
-		var filterVal2 = "progid:DXImageTransform.Microsoft.alpha(opacity=100) progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
-		var filterVal3 = "progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
-		jQuery("#foo").css("filter", filterVal);
-		equal( jQuery("#foo").css("filter"), filterVal, "css('filter', val) works" );
-		jQuery("#foo").css("opacity", 1);
-		equal( jQuery("#foo").css("filter"), filterVal2, "Setting opacity in IE doesn't duplicate opacity filter" );
-		equal( jQuery("#foo").css("opacity"), 1, "Setting opacity in IE with other filters works" );
-		jQuery("#foo").css("filter", filterVal3).css("opacity", 1);
-		ok( jQuery("#foo").css("filter").indexOf(filterVal3) !== -1, "Setting opacity in IE doesn't clobber other filters" );
-	});
-
-	test( "Setting opacity to 1 properly removes filter: style (#6652)", function() {
-		var rfilter = /filter:[^;]*/i,
-			test = jQuery( "#t6652" ).css( "opacity", 1 ),
-			test2 = test.find( "div" ).css( "opacity", 1 );
-
-		function hasFilter( elem ) {
-			var match = rfilter.exec( elem[0].style.cssText );
-			if ( match ) {
-				return true;
-			}
-			return false;
-		}
-		expect( 2 );
-		ok( !hasFilter( test ), "Removed filter attribute on element without filter in stylesheet" );
-		ok( hasFilter( test2 ), "Filter attribute remains on element that had filter in stylesheet" );
-	});
-}
-
 test("css(String, Function)", function() {
 	expect(3);