UPDATE SIZZLE: completed rewrite for better things!

Remove reverse in traversing for comma selectors. Sizzle's handling of commas is now more consistent.

sizzle @ e89d06c4

-Subproject commit 2ae520aa9b7fdc18798df25948191dae69e33ace
+Subproject commit e89d06c4134ec439e52382acd0e569e97fed7ebc

src/traversing.js

 var runtil = /Until$/,
-	rparentsprev = /^(?:parents|prevUntil|prevAll)/,
-	// Note: This RegExp should be improved, or likely pulled from Sizzle
-	rmultiselector = /,/,
+	rparentsprev = /^(?:parents|prev(?:Until|All))/,
 	isSimple = /^.[^:#\[\.,]*$/,
 	POS = jQuery.expr.match.globalPOS,
 	// methods guaranteed to produce a unique set when starting from a unique set
@@ -217,7 +215,7 @@ jQuery.each({
 
 		ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
 
-		if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
+		if ( this.length > 1 && rparentsprev.test( name ) ) {
 			ret = ret.reverse();
 		}
 

test/unit/css.js

@@ -547,14 +547,17 @@ test( "show() resolves correct default display, detached nodes (#10006)", functi
 	div = jQuery("<div>");
 	div.show().appendTo("#qunit-fixture");
 	ok( !!div.get( 0 ).style.display, "Make sure not hidden div has a inline style." );
+	div.remove();
 
 	div = jQuery( document.createElement("div") );
 	div.show().appendTo("#qunit-fixture");
 	equal( div.css("display"), "block", "Make sure a pre-created element has default display." );
+	div.remove();
 
 	div = jQuery("<div style='display: inline'/>");
 	div.show().appendTo("#qunit-fixture");
 	equal( div.css("display"), "inline", "Make sure that element has same display when it was created." );
+	div.remove();
 });
 
 test("toggle()", function() {

test/unit/effects.js

@@ -95,6 +95,8 @@ test("show()", function() {
 		equal( elem.css("display"), expected, "Show using correct display type for " + selector );
 	});
 
+	jQuery("#show-tests").remove();
+
 	// Make sure that showing or hiding a text node doesn't cause an error
 	jQuery("<div>test</div> text <span>test</span>").show().remove();
 	jQuery("<div>test</div> text <span>test</span>").hide().remove();
@@ -137,6 +139,8 @@ test("show(Number) - other displays", function() {
 			}
 		});
 	});
+
+	jQuery("#show-tests").remove();
 });
 
 
@@ -726,6 +730,7 @@ jQuery.checkOverflowDisplay = function(){
 	equal(o, "visible", "Overflow should be visible: " + o);
 	equal(jQuery.css( this, "display" ), "inline", "Display shouldn't be tampered with.");
 
+	jQuery(this).remove();
 	start();
 };
 
@@ -779,6 +784,8 @@ test( "jQuery.fx.prototype.cur() - <1.8 Back Compat", 7, function() {
 		-11000,
 		"support negative values < -10000 (bug #7193)"
 	);
+
+	jQuery( div ).remove();
 });
 
 test("JS Overflow and Display", function() {
@@ -1352,10 +1359,10 @@ test("animate will scale margin properties individually", function() {
 
 	// clean up for next test
 	foo.css({
-		marginLeft: '',
-		marginRight: '',
-		marginTop: '',
-		marginBottom: ''
+		marginLeft: "",
+		marginRight: "",
+		marginTop: "",
+		marginBottom: ""
 	});
 	start();
 });
@@ -1365,6 +1372,7 @@ test("Do not append px to 'fill-opacity' #9548", 1, function() {
 
 	$div.css("fill-opacity", 0).animate({ "fill-opacity": 1.0 }, 0, function () {
 		equal( jQuery(this).css("fill-opacity"), 1, "Do not append px to 'fill-opacity'");
+		$div.remove();
 	});
 });
 
@@ -1532,6 +1540,7 @@ asyncTest( "hide called on element within hidden parent should set display to no
 		strictEqual( elems.get( 1 ).style.display, "none", "hide( 0 ) called on element within hidden parent should set display to none" );
 		strictEqual( elems.get( 2 ).style.display, "none", "hide( 1 ) called on element within hidden parent should set display to none" );
 
+		elems.remove();
 		start();
 	});
 });
@@ -1661,6 +1670,7 @@ asyncTest( "animate does not change start value for non-px animation (#7109)", 1
 		var ratio = computed[ 0 ] / actual;
 		ok( ratio > 0.9 && ratio < 1.1 , "Starting width was close enough" );
 		next();
+		parent.remove();
 		start();
 	});
 });

test/unit/event.js

@@ -38,7 +38,7 @@ test("Handler changes and .trigger() order", function() {
 	expect(1);
 
 	var markup = jQuery(
-		'<div><div><p><span><b class="a">b</b></span></p></div></div>'
+		"<div><div><p><span><b class=\"a\">b</b></span></p></div></div>"
 	),
 	path = "";
 
@@ -1433,7 +1433,7 @@ test("jQuery.Event( type, props )", function() {
 test("jQuery.Event.currentTarget", function(){
 	expect(2);
 
-	jQuery('<div><p><button>shiny</button></p></div>')
+	jQuery("<div><p><button>shiny</button></p></div>")
 		.on( "click", "p", function( e ){
 				equal( e.currentTarget, this, "Check delegated currentTarget on event" );
 		})
@@ -2359,7 +2359,7 @@ test( "delegated event with delegateTarget-relative selector (#)", function() {
 test("stopPropagation() stops directly-bound events on delegated target", function() {
 	expect(1);
 
-	var markup = jQuery( '<div><p><a href="#">target</a></p></div>' );
+	var markup = jQuery("<div><p><a href=\"#\">target</a></p></div>");
 	markup
 		.on( "click", function() {
 			ok( false, "directly-bound event on delegate target was called" );
@@ -2540,7 +2540,7 @@ test("Non DOM element events", function() {
 test("inline handler returning false stops default", function() {
 	expect(1);
 
-	var markup = jQuery('<div><a href="#" onclick="return false">x</a></div>');
+	var markup = jQuery("<div><a href=\"#\" onclick=\"return false\">x</a></div>");
 	markup.click(function(e) {
 		ok( e.isDefaultPrevented(), "inline handler prevented default");
 		return false;
@@ -2613,7 +2613,7 @@ test(".on and .off", function() {
 	expect(9);
 	var counter, mixfn;
 
-	jQuery( '<div id="onandoff"><p>on<b>and</b>off</p><div>worked<em>or</em>borked?</div></div>' ).appendTo( 'body' );
+	var $onandoff = jQuery("<div id=\"onandoff\"><p>on<b>and</b>off</p><div>worked<em>or</em>borked?</div></div>").appendTo("body");
 
 	// Simple case
 	jQuery( "#onandoff" )
@@ -2705,7 +2705,7 @@ test(".on and .off", function() {
 	var data = jQuery.data[ jQuery( "#onandoff" )[0].expando ] || {};
 	equal( data.events, undefined, "no events left" );
 
-	jQuery("#onandoff").remove();
+	$onandoff.remove();
 });
 
 test("special bind/delegate name mapping", function() {
@@ -2723,7 +2723,7 @@ test("special bind/delegate name mapping", function() {
 		ok( true, "event " + event.type + " triggered" );
 	};
 
-	jQuery( '<div><button id="mammy">Are We Not Men?</button></div>' )
+	jQuery("<div><button id=\"mammy\">Are We Not Men?</button></div>")
 		.on( "slap", "button", jQuery.noop )
 		.on( "swing", "button", comeback )
 		.find( "button" )

test/unit/manipulation.js

@@ -37,6 +37,8 @@ test("text()", function() {
 	var $newLineTest = jQuery("<div>test<br/>testy</div>").appendTo("#moretests");
 	$newLineTest.find("br").replaceWith("\n");
 	equal( $newLineTest.text(), "test\ntesty", "text() does not remove new lines (#11153)" );
+
+	$newLineTest.remove();
 });
 
 test("text(undefined)", function() {