Core: re-introduce createHTMLDocument in parseHTML; Safari 8 left out

Close gh-1505

src/core/parseHTML.js

@@ -2,8 +2,12 @@ define([
 	"../core",
 	"./var/rsingleTag",
 
-	"../manipulation" // buildFragment
-], function( jQuery, rsingleTag ) {
+	// This is the only module that needs core/support
+	"./support",
+
+	// buildFragment
+	"../manipulation"
+], function( jQuery, rsingleTag, support ) {
 
 // data: string of html
 // context (optional): If specified, the fragment will be created in this context,
@@ -17,7 +21,11 @@ jQuery.parseHTML = function( data, context, keepScripts ) {
 		keepScripts = context;
 		context = false;
 	}
-	context = context || document;
+	// document.implementation stops scripts or inline event handlers from
+	// being executed immediately
+	context = context || ( support.createHTMLDocument ?
+		document.implementation.createHTMLDocument( "" ) :
+		document );
 
 	var parsed = rsingleTag.exec( data ),
 		scripts = !keepScripts && [];

src/core/support.js

@@ -0,0 +1,12 @@
+define([
+	"../var/support"
+], function( support ) {
+
+support.createHTMLDocument = (function() {
+	var doc = document.implementation.createHTMLDocument( "" );
+	doc.body.innerHTML = "<form></form><form></form>";
+	return doc.body.childNodes.length === 2;
+})();
+
+return support;
+});

test/data/testinit.js

@@ -301,7 +301,7 @@ this.loadTests = function() {
 				/**
 				 * Run in noConflict mode
 				 */
-				if (jQuery.noConflict) {
+				if ( jQuery.noConflict ) {
 					jQuery.noConflict();
 				}
 

test/unit/core.js

@@ -235,7 +235,7 @@ test( "globalEval execution after script injection (#7862)", 1, function() {
 });
 
 // This is not run in AMD mode
-if (jQuery.noConflict) {
+if ( jQuery.noConflict ) {
 	test("noConflict", function() {
 		expect(7);
 
@@ -1370,6 +1370,22 @@ test("jQuery.parseHTML", function() {
 	ok( jQuery.parseHTML("<#if><tr><p>This is a test.</p></tr><#/if>") || true, "Garbage input should not cause error" );
 });
 
+if ( jQuery.support.createHTMLDocument ) {
+	asyncTest("jQuery.parseHTML", function() {
+		expect ( 1 );
+
+		Globals.register("parseHTMLError");
+
+		jQuery.globalEval("parseHTMLError = false;");
+		jQuery.parseHTML( "<img src=x onerror='parseHTMLError = true'>" );
+
+		window.setTimeout(function() {
+			start();
+			equal( window.parseHTMLError, false, "onerror eventhandler has not been called." );
+		}, 2000);
+	});
+}
+
 test("jQuery.parseJSON", function() {
 	expect( 20 );
 

test/unit/support.js

@@ -61,6 +61,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": true,
 			"clearCloneStyle": true,
 			"cors": true,
+			"createHTMLDocument": true,
 			"focusinBubbles": false,
 			"noCloneChecked": true,
 			"optDisabled": true,
@@ -77,6 +78,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": true,
 			"clearCloneStyle": false,
 			"cors": true,
+			"createHTMLDocument": true,
 			"focusinBubbles": true,
 			"noCloneChecked": false,
 			"optDisabled": true,
@@ -93,6 +95,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": true,
 			"clearCloneStyle": false,
 			"cors": false,
+			"createHTMLDocument": true,
 			"focusinBubbles": true,
 			"noCloneChecked": false,
 			"optDisabled": true,
@@ -101,7 +104,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"radioValue": false,
 			"reliableMarginRight": true
 		};
-	} else if ( /(6|7|8)\.0(\.\d+|) safari/i.test( userAgent ) ) {
+	} else if ( /(6|7)\.0(\.\d+|) safari/i.test( userAgent ) ) {
 		expected = {
 			"ajax": true,
 			"boxSizingReliable": true,
@@ -109,6 +112,24 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": true,
 			"clearCloneStyle": true,
 			"cors": true,
+			"createHTMLDocument": true,
+			"focusinBubbles": false,
+			"noCloneChecked": true,
+			"optDisabled": true,
+			"optSelected": true,
+			"pixelPosition": false,
+			"radioValue": true,
+			"reliableMarginRight": true
+		};
+	} else if ( /8.0(\.\d+|) safari/i.test( userAgent ) ) {
+		expected = {
+			"ajax": true,
+			"boxSizingReliable": true,
+			"checkClone": true,
+			"checkOn": true,
+			"clearCloneStyle": true,
+			"cors": true,
+			"createHTMLDocument": false,
 			"focusinBubbles": false,
 			"noCloneChecked": true,
 			"optDisabled": true,
@@ -125,6 +146,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": true,
 			"clearCloneStyle": true,
 			"cors": true,
+			"createHTMLDocument": true,
 			"focusinBubbles": false,
 			"noCloneChecked": true,
 			"optDisabled": true,
@@ -141,6 +163,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": true,
 			"clearCloneStyle": true,
 			"cors": true,
+			"createHTMLDocument": true,
 			"focusinBubbles": false,
 			"noCloneChecked": true,
 			"optDisabled": true,
@@ -157,6 +180,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": false,
 			"clearCloneStyle": true,
 			"cors": true,
+			"createHTMLDocument": true,
 			"focusinBubbles": false,
 			"noCloneChecked": true,
 			"optDisabled": true,
@@ -173,6 +197,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"checkOn": false,
 			"clearCloneStyle": false,
 			"cors": true,
+			"createHTMLDocument": true,
 			"focusinBubbles": false,
 			"noCloneChecked": true,
 			"optDisabled": false,