Add a hook for removing contenteditable in IE6/7 and remove the unnecessary jQuery.attrFix. Fixes #10429.

src/attributes.js

@@ -291,11 +291,6 @@ jQuery.extend({
 		offset: true
 	},
 
-	attrFix: {
-		// Always normalize to ensure hook usage
-		tabindex: "tabIndex"
-	},
-
 	attr: function( elem, name, value, pass ) {
 		var nType = elem.nodeType;
 
@@ -318,20 +313,8 @@ jQuery.extend({
 
 		// Normalize the name if needed
 		if ( notxml ) {
-			name = jQuery.attrFix[ name ] || name;
-
-			hooks = jQuery.attrHooks[ name ];
-
-			if ( !hooks ) {
-				// Use boolHook for boolean attributes
-				if ( rboolean.test( name ) ) {
-					hooks = boolHook;
-
-				// Use nodeHook if available( IE6/7 )
-				} else if ( nodeHook ) {
-					hooks = nodeHook;
-				}
-			}
+			name = name.toLowerCase();
+			hooks = jQuery.attrHooks[ name ] || (rboolean.test( name ) ? boolHook : nodeHook);
 		}
 
 		if ( value !== undefined ) {
@@ -371,8 +354,7 @@ jQuery.extend({
 			l = attrNames.length;
 
 			for ( ; i < l; i++ ) {
-				name = attrNames[ i ];
-				name = jQuery.attrFix[ name ] || name;
+				name = attrNames[ i ].toLowerCase();
 
 				// See #9699 for explanation of this approach (setting first, then removal)
 				jQuery.attr( elem, name, "" );
@@ -493,8 +475,8 @@ jQuery.extend({
 	}
 });
 
-// Add the tabindex propHook to attrHooks for back-compat
-jQuery.attrHooks.tabIndex = jQuery.propHooks.tabIndex;
+// Add the tabIndex propHook to attrHooks for back-compat (different case is intentional)
+jQuery.attrHooks.tabindex = jQuery.propHooks.tabIndex;
 
 // Hook for boolean attributes
 boolHook = {
@@ -556,6 +538,9 @@ if ( !jQuery.support.getSetAttribute ) {
 		}
 	};
 
+	// Apply the nodeHook to tabindex
+	jQuery.attrHooks.tabindex.set = nodeHook.set;
+
 	// Set width and height to auto instead of 0 on empty string( Bug #8150 )
 	// This is for removals
 	jQuery.each([ "width", "height" ], function( i, name ) {
@@ -568,6 +553,18 @@ if ( !jQuery.support.getSetAttribute ) {
 			}
 		});
 	});
+
+	// Set contenteditable to false on removals(#10429)
+	// Setting to empty string throws an error as an invalid value
+	jQuery.attrHooks.contenteditable = {
+		get: nodeHook.get,
+		set: function( elem, value, name ) {
+			if ( value === "" ) {
+				value = "false";
+			}
+			nodeHook.set( elem, value, name );
+		}
+	};
 }
 
 

test/unit/attributes.js

@@ -4,8 +4,8 @@ var bareObj = function(value) { return value; };
 var functionReturningObj = function(value) { return (function() { return value; }); };
 
 
-test("jQuery.attrFix/jQuery.propFix integrity test", function() {
-	expect(2);
+test("jQuery.propFix integrity test", function() {
+	expect(1);
 
 	//  This must be maintained and equal jQuery.attrFix when appropriate
 	//  Ensure that accidental or erroneous property
@@ -26,11 +26,6 @@ test("jQuery.attrFix/jQuery.propFix integrity test", function() {
 			contenteditable: "contentEditable"
 		};
 
-	var propsShouldBe = {
-		tabindex: "tabIndex"
-	};
-
-	deepEqual(propsShouldBe, jQuery.attrFix, "jQuery.attrFix passes integrity check");
 	deepEqual(props, jQuery.propFix, "jQuery.propFix passes integrity check");
 });
 
@@ -456,7 +451,7 @@ test("attr('tabindex', value)", function() {
 });
 
 test("removeAttr(String)", function() {
-	expect(8);
+	expect(9);
 	equal( jQuery("#mark").removeAttr( "class" )[0].className, "", "remove class" );
 	equal( jQuery("#form").removeAttr("id").attr("id"), undefined, "Remove id" );
 	equal( jQuery("#foo").attr("style", "position:absolute;").removeAttr("style").attr("style"), undefined, "Check removing style attribute" );
@@ -468,6 +463,13 @@ test("removeAttr(String)", function() {
 	equal( document.getElementById("check1").checked, false, "removeAttr sets boolean properties to false" );
 	jQuery("#text1").prop("readOnly", true).removeAttr("readonly");
 	equal( document.getElementById("text1").readOnly, false, "removeAttr sets boolean properties to false" );
+
+	try {
+		jQuery("#first").attr("contenteditable", "true").removeAttr("contenteditable");
+		ok( true, "Removing contenteditable does not throw an error.");
+	} catch(e) {
+		ok( false, "Removing contenteditable threw an error (#10429)" );
+	}
 });
 
 test("prop(String, Object)", function() {
@@ -882,7 +884,7 @@ var testAddClass = function(valueObj) {
 	equals( div.attr("class"), "foo bar baz", "Make sure there isn't too much trimming." );
 
 	div.removeClass();
-	div.addClass( valueObj("foo") ).addClass( valueObj("foo") )
+	div.addClass( valueObj("foo") ).addClass( valueObj("foo") );
 	equal( div.attr("class"), "foo", "Do not add the same class twice in separate calls." );
 
 	div.addClass( valueObj("fo") );