--- a/dom/html/HTMLLinkElement.h
+++ b/dom/html/HTMLLinkElement.h
@@ -102,16 +102,24 @@ public:
     SetOrRemoveNullableStringAttr(nsGkAtoms::crossorigin, aCrossOrigin, aError);
   }
   // XPCOM GetRel is fine.
   void SetRel(const nsAString& aRel, ErrorResult& aRv)
   {
     SetHTMLAttr(nsGkAtoms::rel, aRel, aRv);
   }
   nsDOMTokenList* RelList();
+  void GetNonce(nsAString& aNonce) const
+  {
+    GetHTMLAttr(nsGkAtoms::nonce, aNonce);
+  }
+  void SetNonce(const nsAString& aNonce, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::nonce, aNonce, aRv);
+  }
   // XPCOM GetMedia is fine.
   void SetMedia(const nsAString& aMedia, ErrorResult& aRv)
   {
     SetHTMLAttr(nsGkAtoms::media, aMedia, aRv);
   }
   // XPCOM GetHreflang is fine.
   void SetHreflang(const nsAString& aHreflang, ErrorResult& aRv)
   {

--- a/dom/html/HTMLScriptElement.h
+++ b/dom/html/HTMLScriptElement.h
@@ -76,16 +76,24 @@ public:
     // always parse to an enum value, so we don't need an invalid
     // default, and we _want_ the missing default to be null.
     GetEnumAttr(nsGkAtoms::crossorigin, nullptr, aResult);
   }
   void SetCrossOrigin(const nsAString& aCrossOrigin, ErrorResult& aError)
   {
     SetOrRemoveNullableStringAttr(nsGkAtoms::crossorigin, aCrossOrigin, aError);
   }
+  void GetNonce(nsAString& aNonce) const
+  {
+    GetHTMLAttr(nsGkAtoms::nonce, aNonce);
+  }
+  void SetNonce(const nsAString& aNonce, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::nonce, aNonce, aRv);
+  }
   void GetIntegrity(nsAString& aIntegrity)
   {
     GetHTMLAttr(nsGkAtoms::integrity, aIntegrity);
   }
   void SetIntegrity(const nsAString& aIntegrity, ErrorResult& rv)
   {
     SetHTMLAttr(nsGkAtoms::integrity, aIntegrity, rv);
   }

--- a/dom/html/HTMLStyleElement.h
+++ b/dom/html/HTMLStyleElement.h
@@ -57,16 +57,24 @@ public:
   // nsIMutationObserver
   NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
   NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
   NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
   NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
 
   bool Disabled();
   void SetDisabled(bool aDisabled);
+  void GetNonce(nsAString& aNonce) const
+  {
+    GetHTMLAttr(nsGkAtoms::nonce, aNonce);
+  }
+  void SetNonce(const nsAString& aNonce, ErrorResult& aRv)
+  {
+    SetHTMLAttr(nsGkAtoms::nonce, aNonce, aRv);
+  }
   void SetMedia(const nsAString& aMedia, ErrorResult& aError)
   {
     SetHTMLAttr(nsGkAtoms::media, aMedia, aError);
   }
   void SetType(const nsAString& aType, ErrorResult& aError)
   {
     SetHTMLAttr(nsGkAtoms::type, aType, aError);
   }

--- a/dom/webidl/HTMLLinkElement.webidl
+++ b/dom/webidl/HTMLLinkElement.webidl
@@ -22,16 +22,18 @@ interface HTMLLinkElement : HTMLElement 
            attribute DOMString? crossOrigin;
   [CEReactions, SetterThrows, Pure]
            attribute DOMString rel;
   [PutForwards=value]
   readonly attribute DOMTokenList relList;
   [CEReactions, SetterThrows, Pure]
            attribute DOMString media;
   [CEReactions, SetterThrows, Pure]
+           attribute DOMString nonce;
+  [CEReactions, SetterThrows, Pure]
            attribute DOMString hreflang;
   [CEReactions, SetterThrows, Pure]
            attribute DOMString type;
   [CEReactions, SetterThrows, Pure]
            attribute DOMString referrerPolicy;
   [PutForwards=value] readonly attribute DOMTokenList sizes;
 };
 HTMLLinkElement implements LinkStyle;

--- a/dom/webidl/HTMLScriptElement.webidl
+++ b/dom/webidl/HTMLScriptElement.webidl
@@ -21,23 +21,21 @@ interface HTMLScriptElement : HTMLElemen
   [CEReactions, SetterThrows]
   attribute boolean async;
   [CEReactions, SetterThrows]
   attribute boolean defer;
   [CEReactions, SetterThrows]
   attribute DOMString? crossOrigin;
   [CEReactions, SetterThrows]
   attribute DOMString text;
+  [CEReactions, SetterThrows, Pure]
+  attribute DOMString nonce;
+  [CEReactions, SetterThrows, Pure]
+  attribute DOMString integrity;
 };
 
 // http://www.whatwg.org/specs/web-apps/current-work/#other-elements,-attributes-and-apis
 partial interface HTMLScriptElement {
   [CEReactions, SetterThrows]
   attribute DOMString event;
   [CEReactions, SetterThrows]
   attribute DOMString htmlFor;
 };
-
-// https://w3c.github.io/webappsec/specs/subresourceintegrity/#htmlscriptelement-1
-partial interface HTMLScriptElement {
-  [CEReactions, SetterThrows]
-  attribute DOMString integrity;
-};

--- a/dom/webidl/HTMLStyleElement.webidl
+++ b/dom/webidl/HTMLStyleElement.webidl
@@ -10,14 +10,16 @@
 
 [HTMLConstructor]
 interface HTMLStyleElement : HTMLElement {
            [Pure]
            attribute boolean disabled;
            [CEReactions, SetterThrows, Pure]
            attribute DOMString media;
            [CEReactions, SetterThrows, Pure]
+           attribute DOMString nonce;
+           [CEReactions, SetterThrows, Pure]
            attribute DOMString type;
            [SetterThrows, Pure, Pref="layout.css.scoped-style.enabled"]
            attribute boolean scoped;
 };
 HTMLStyleElement implements LinkStyle;
 

--- a/testing/web-platform/meta/content-security-policy/nonce-hiding/script-nonces-hidden-meta.tentative.html.ini
+++ b/testing/web-platform/meta/content-security-policy/nonce-hiding/script-nonces-hidden-meta.tentative.html.ini
@@ -1,29 +1,8 @@
 [script-nonces-hidden-meta.tentative.html]
   type: testharness
-  [Reading 'nonce' content attribute and IDL attribute.]
-    expected: FAIL
-
-  [Cloned node retains nonce.]
-    expected: FAIL
-
-  [Cloned node retains nonce when inserted.]
-    expected: FAIL
-
-  [Writing 'nonce' content attribute.]
-    expected: FAIL
-
-  [Document-written script's nonce value.]
-    expected: FAIL
-
   [createElement.nonce.]
     expected: FAIL
 
-  [setAttribute('nonce') overwrites '.nonce' upon insertion.]
-    expected: FAIL
-
-  [createElement.setAttribute.]
-    expected: FAIL
-
   [Nonces leak via CSS side-channels.]
     expected: FAIL
 

--- a/testing/web-platform/meta/content-security-policy/nonce-hiding/script-nonces-hidden.tentative.html.ini
+++ b/testing/web-platform/meta/content-security-policy/nonce-hiding/script-nonces-hidden.tentative.html.ini
@@ -4,19 +4,16 @@
     expected: FAIL
 
   [Cloned node retains nonce.]
     expected: FAIL
 
   [Cloned node retains nonce when inserted.]
     expected: FAIL
 
-  [Writing 'nonce' content attribute.]
-    expected: FAIL
-
   [Document-written script's nonce value.]
     expected: FAIL
 
   [createElement.nonce.]
     expected: FAIL
 
   [setAttribute('nonce') overwrites '.nonce' upon insertion.]
     expected: FAIL

--- a/testing/web-platform/meta/content-security-policy/nonce-hiding/svgscript-nonces-hidden-meta.tentative.html.ini
+++ b/testing/web-platform/meta/content-security-policy/nonce-hiding/svgscript-nonces-hidden-meta.tentative.html.ini
@@ -10,14 +10,11 @@
     expected: FAIL
 
   [Writing 'nonce' content attribute.]
     expected: FAIL
 
   [Document-written script's nonce value.]
     expected: FAIL
 
-  [createElement.setAttribute.]
-    expected: FAIL
-
   [Nonces don't leak via CSS side-channels.]
     expected: FAIL
 

--- a/testing/web-platform/meta/html/dom/interfaces.html.ini
+++ b/testing/web-platform/meta/html/dom/interfaces.html.ini
@@ -2672,22 +2672,16 @@
     expected: FAIL
 
   [HTMLElement interface: document.createElement("noscript") must inherit property "oncuechange" with the proper type (27)]
     expected: FAIL
 
   [HTMLElement interface: document.createElement("noscript") must inherit property "onmousewheel" with the proper type (58)]
     expected: FAIL
 
-  [HTMLStyleElement interface: attribute nonce]
-    expected: FAIL
-
-  [HTMLStyleElement interface: document.createElement("style") must inherit property "nonce" with the proper type (1)]
-    expected: FAIL
-
   [HTMLMediaElement interface: document.createElement("video") must inherit property "audioTracks" with the proper type (38)]
     expected: FAIL
 
   [HTMLMediaElement interface: document.createElement("video") must inherit property "videoTracks" with the proper type (39)]
     expected: FAIL
 
   [HTMLMediaElement interface: document.createElement("audio") must inherit property "audioTracks" with the proper type (38)]
     expected: FAIL
@@ -2996,22 +2990,16 @@
     expected: FAIL
 
   [HTMLElement interface: document.createElement("noscript") must inherit property "oncuechange" with the proper type (28)]
     expected: FAIL
 
   [HTMLElement interface: document.createElement("noscript") must inherit property "onmousewheel" with the proper type (59)]
     expected: FAIL
 
-  [HTMLLinkElement interface: attribute nonce]
-    expected: FAIL
-
-  [HTMLLinkElement interface: document.createElement("link") must inherit property "nonce" with the proper type (5)]
-    expected: FAIL
-
   [HTMLIFrameElement interface: attribute allowUserMedia]
     expected: FAIL
 
   [Window interface: window must inherit property "oncancel" with the proper type (41)]
     expected: FAIL
 
   [Window interface: window must inherit property "oncuechange" with the proper type (48)]
     expected: FAIL
@@ -3251,25 +3239,19 @@
     expected: FAIL
 
   [Document interface: document.implementation.createDocument(null, "", null) must inherit property "onmousewheel" with the proper type (126)]
     expected: FAIL
 
   [HTMLScriptElement interface: attribute noModule]
     expected: FAIL
 
-  [HTMLScriptElement interface: attribute nonce]
-    expected: FAIL
-
   [HTMLScriptElement interface: document.createElement("script") must inherit property "noModule" with the proper type (2)]
     expected: FAIL
 
-  [HTMLScriptElement interface: document.createElement("script") must inherit property "nonce" with the proper type (8)]
-    expected: FAIL
-
   [HTMLElement interface: document.createElement("noscript") must inherit property "forceSpellCheck" with the proper type (15)]
     expected: FAIL
 
   [Element interface: document.createElement("noscript") must inherit property "slot" with the proper type (7)]
     expected: FAIL
 
   [Element interface: document.createElement("noscript") must inherit property "attachShadow" with the proper type (24)]
     expected: FAIL
@@ -3284,19 +3266,16 @@
     expected: FAIL
 
   [Document interface: new Document() must inherit property "styleSheets" with the proper type (29)]
     expected: FAIL
 
   [Document interface: document.implementation.createDocument(null, "", null) must inherit property "styleSheets" with the proper type (29)]
     expected: FAIL
 
-  [HTMLLinkElement interface: document.createElement("link") must inherit property "nonce" with the proper type (6)]
-    expected: FAIL
-
   [HTMLBodyElement interface: attribute onmessageerror]
     expected: FAIL
 
   [HTMLBodyElement interface: attribute onrejectionhandled]
     expected: FAIL
 
   [HTMLBodyElement interface: attribute onunhandledrejection]
     expected: FAIL

--- a/testing/web-platform/meta/html/dom/reflection-metadata.html.ini
+++ b/testing/web-platform/meta/html/dom/reflection-metadata.html.ini
@@ -31,112 +31,16 @@
     expected: FAIL
 
   [style.tabIndex: setAttribute() to object "3" followed by getAttribute()]
     expected: FAIL
 
   [style.tabIndex: setAttribute() to object "3" followed by IDL get]
     expected: FAIL
 
-  [link.nonce: typeof IDL attribute]
-    expected: FAIL
-
-  [link.nonce: IDL get with DOM attribute unset]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to ""]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to " \\0\\x01\\x02\\x03\\x04\\x05\\x06\\x07 \\b\\t\\n\\v\\f\\r\\x0e\\x0f \\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17 \\x18\\x19\\x1a\\x1b\\x1c\\x1d\\x1e\\x1f  foo "]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to undefined]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to 7]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to 1.5]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to true]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to false]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to object "[object Object\]"]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to NaN]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to Infinity]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to -Infinity]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to "\\0"]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to null]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to object "test-toString"]
-    expected: FAIL
-
-  [link.nonce: setAttribute() to object "test-valueOf"]
-    expected: FAIL
-
-  [link.nonce: IDL set to ""]
-    expected: FAIL
-
-  [link.nonce: IDL set to " \\0\\x01\\x02\\x03\\x04\\x05\\x06\\x07 \\b\\t\\n\\v\\f\\r\\x0e\\x0f \\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17 \\x18\\x19\\x1a\\x1b\\x1c\\x1d\\x1e\\x1f  foo "]
-    expected: FAIL
-
-  [link.nonce: IDL set to undefined]
-    expected: FAIL
-
-  [link.nonce: IDL set to 7]
-    expected: FAIL
-
-  [link.nonce: IDL set to 1.5]
-    expected: FAIL
-
-  [link.nonce: IDL set to true]
-    expected: FAIL
-
-  [link.nonce: IDL set to false]
-    expected: FAIL
-
-  [link.nonce: IDL set to object "[object Object\]"]
-    expected: FAIL
-
-  [link.nonce: IDL set to NaN]
-    expected: FAIL
-
-  [link.nonce: IDL set to Infinity]
-    expected: FAIL
-
-  [link.nonce: IDL set to -Infinity]
-    expected: FAIL
-
-  [link.nonce: IDL set to "\\0"]
-    expected: FAIL
-
-  [link.nonce: IDL set to null]
-    expected: FAIL
-
-  [link.nonce: IDL set to object "test-toString"]
-    expected: FAIL
-
-  [link.nonce: IDL set to object "test-valueOf"]
-    expected: FAIL
-
   [link.as: setAttribute() to "document"]
     expected: FAIL
 
   [link.as: setAttribute() to "DOCUMENT"]
     expected: FAIL
 
   [link.as: setAttribute() to "embed"]
     expected: FAIL

--- a/testing/web-platform/meta/html/dom/reflection-misc.html.ini
+++ b/testing/web-platform/meta/html/dom/reflection-misc.html.ini
@@ -599,112 +599,16 @@
     expected: FAIL
 
   [menuitem.default: IDL set to object "test-toString"]
     expected: FAIL
 
   [menuitem.default: IDL set to object "test-valueOf"]
     expected: FAIL
 
-  [script.nonce: typeof IDL attribute]
-    expected: FAIL
-
-  [script.nonce: IDL get with DOM attribute unset]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to ""]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to " \\0\\x01\\x02\\x03\\x04\\x05\\x06\\x07 \\b\\t\\n\\v\\f\\r\\x0e\\x0f \\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17 \\x18\\x19\\x1a\\x1b\\x1c\\x1d\\x1e\\x1f  foo "]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to undefined]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to 7]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to 1.5]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to true]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to false]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to object "[object Object\]"]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to NaN]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to Infinity]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to -Infinity]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to "\\0"]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to null]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to object "test-toString"]
-    expected: FAIL
-
-  [script.nonce: setAttribute() to object "test-valueOf"]
-    expected: FAIL
-
-  [script.nonce: IDL set to ""]
-    expected: FAIL
-
-  [script.nonce: IDL set to " \\0\\x01\\x02\\x03\\x04\\x05\\x06\\x07 \\b\\t\\n\\v\\f\\r\\x0e\\x0f \\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17 \\x18\\x19\\x1a\\x1b\\x1c\\x1d\\x1e\\x1f  foo "]
-    expected: FAIL
-
-  [script.nonce: IDL set to undefined]
-    expected: FAIL
-
-  [script.nonce: IDL set to 7]
-    expected: FAIL
-
-  [script.nonce: IDL set to 1.5]
-    expected: FAIL
-
-  [script.nonce: IDL set to true]
-    expected: FAIL
-
-  [script.nonce: IDL set to false]
-    expected: FAIL
-
-  [script.nonce: IDL set to object "[object Object\]"]
-    expected: FAIL
-
-  [script.nonce: IDL set to NaN]
-    expected: FAIL
-
-  [script.nonce: IDL set to Infinity]
-    expected: FAIL
-
-  [script.nonce: IDL set to -Infinity]
-    expected: FAIL
-
-  [script.nonce: IDL set to "\\0"]
-    expected: FAIL
-
-  [script.nonce: IDL set to null]
-    expected: FAIL
-
-  [script.nonce: IDL set to object "test-toString"]
-    expected: FAIL
-
-  [script.nonce: IDL set to object "test-valueOf"]
-    expected: FAIL
-
   [script.noModule: typeof IDL attribute]
     expected: FAIL
 
   [script.noModule: IDL get with DOM attribute unset]
     expected: FAIL
 
   [script.noModule: setAttribute() to ""]
     expected: FAIL

--- a/testing/web-platform/tests/content-security-policy/nonce-hiding/script-nonces-hidden-meta.tentative.html
+++ b/testing/web-platform/tests/content-security-policy/nonce-hiding/script-nonces-hidden-meta.tentative.html
@@ -48,17 +48,17 @@
       assert_equals(script.getAttribute('nonce'), 'foo');
       assert_equals(script.nonce, 'foo');
     }, "Writing 'nonce' content attribute.");
 
     // Set the IDL attribute to 'bar'
     test(t => {
       script.nonce = 'bar';
       assert_equals(script.nonce, 'bar');
-      assert_equals(script.getAttribute('nonce'), 'foo');
+      assert_equals(script.getAttribute('nonce'), 'bar');
     }, "Writing 'nonce' IDL attribute.");
 
     // Fragment parser.
     var documentWriteTest = async_test("Document-written script executes.");
     document.write(`<script nonce='abc'>
       documentWriteTest.done();
       test(t => {
         var script = document.currentScript;

--- a/testing/web-platform/tests/content-security-policy/nonce-hiding/script-nonces-hidden.tentative.html
+++ b/testing/web-platform/tests/content-security-policy/nonce-hiding/script-nonces-hidden.tentative.html
@@ -49,17 +49,17 @@
       assert_equals(script.getAttribute('nonce'), 'foo');
       assert_equals(script.nonce, 'foo');
     }, "Writing 'nonce' content attribute.");
 
     // Set the IDL attribute to 'bar'
     test(t => {
       script.nonce = 'bar';
       assert_equals(script.nonce, 'bar');
-      assert_equals(script.getAttribute('nonce'), 'foo');
+      assert_equals(script.getAttribute('nonce'), 'bar');
     }, "Writing 'nonce' IDL attribute.");
 
     // Fragment parser.
     var documentWriteTest = async_test("Document-written script executes.");
     document.write(`<script nonce='abc'>
       documentWriteTest.done();
       test(t => {
         var script = document.currentScript;

--- a/testing/web-platform/tests/content-security-policy/nonce-hiding/svgscript-nonces-hidden-meta.tentative.html
+++ b/testing/web-platform/tests/content-security-policy/nonce-hiding/svgscript-nonces-hidden-meta.tentative.html
@@ -47,17 +47,17 @@
 
     // Set the content attribute to 'foo'
     test(t => {
       script.setAttribute('nonce', 'foo');
       assert_equals(script.getAttribute('nonce'), 'foo');
       assert_equals(script.nonce, 'abc');
     }, "Writing 'nonce' content attribute.");
 
-    // Set the IDL attribute to 'bar'
+    // Set the IDL attribute to 'bar' (doesn't work on SVGScriptElement)
     test(t => {
       script.nonce = 'bar';
       assert_equals(script.nonce, 'bar');
       assert_equals(script.getAttribute('nonce'), 'foo');
     }, "Writing 'nonce' IDL attribute.");
 
     // Fragment parser.
     var documentWriteTest = async_test("Document-written script executes.");

--- a/testing/web-platform/tests/content-security-policy/nonce-hiding/svgscript-nonces-hidden.tentative.html
+++ b/testing/web-platform/tests/content-security-policy/nonce-hiding/svgscript-nonces-hidden.tentative.html
@@ -68,17 +68,18 @@
         assert_equals(script.getAttribute('nonce'), '');
         assert_equals(script.nonce, 'abc');
       }, "Document-written script's nonce value.");
     </scr` + `ipt></svg>`);
 
     // Create node.
     test(t => {
       var s = document.createElement('svg');
-      var innerScript = document.createElement('script');
+      var innerScript = document.createElementNS('http://www.w3.org/2000/svg',
+                                                 'script');
       innerScript.innerText = script.innerText;
       innerScript.nonce = 'abc';
       s.appendChild(innerScript);
       document.body.appendChild(s);
       assert_equals(innerScript.nonce, 'abc');
       assert_equals(innerScript.getAttribute('nonce'), null);
     }, "createElement.nonce.");
 

--- a/testing/web-platform/tests/html/dom/elements-metadata.js
+++ b/testing/web-platform/tests/html/dom/elements-metadata.js
@@ -50,13 +50,14 @@ var metadataElements = {
     httpEquiv: {type: "string", domAttrName: "http-equiv"},
     content: "string",
 
     // Obsolete
     scheme: "string",
   },
   style: {
     media: "string",
+    nonce: "string",
     type: "string",
   },
 };
 
 mergeElements(metadataElements);