Re: [whatwg/webidl] Disallow non-attribute frozen arrays (PR #1413)

@annevk approved this pull request.



> +            undefined randomizeFavoriteColors();
+        };
+    </pre>
+
+    The behavior of these attributes could be defined like so:
+
+    <blockquote>
+        Each <code>PersonalPreferences</code> has associated <b>favorite colors</b>, a {{FrozenArray}}&lt;{{DOMString}}>, initially equal to the result of [=creating a frozen array=] from « "<code>purple</code>", "<code>aquamarine</code>" ».
+
+        Each <code>PersonalPreferences</code> has an associated <b>favorite foods</b>, a {{FrozenArray}}&lt;{{DOMString}}>, initially equal to the result of [=creating a frozen array=] from the empty list.
+
+        The <code>favoriteColors</code> [=getter steps=] are to return [=this=]'s favorite colors.
+
+        The <code>favoriteFoods</code> [=getter steps=] are to return [=this=]'s favorite foods.
+
+        The <code>favoriteFoods</code> [=setter steps=] are to set [=this=]'s favorite foods to [=the given value=].

This just works? So if it's not frozen it ends up throwing or some such?

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