Improve freeze-element-property scriptlet

gorhill · gorhill · commit b91798c6f4a2 · 2026-05-06T13:11:44.000-04:00
diff --git a/src/js/resources/prevent-innerHTML.js b/src/js/resources/prevent-innerHTML.js
@@ -52,12 +52,15 @@ function freezeElementProperty(
     const logPrefix = safe.makeLogPrefix('freeze-element-property', property, selector, pattern);
     const matcher = safe.initPattern(pattern, { canNegate: true });
     const owner = (( ) => {
-        if ( Object.hasOwn(Element.prototype, property) ) {
-            return Element.prototype;
+        if ( Object.hasOwn(HTMLScriptElement.prototype, property) ) {
+            return HTMLScriptElement.prototype;
         }
         if ( Object.hasOwn(HTMLElement.prototype, property) ) {
             return HTMLElement.prototype;
         }
+        if ( Object.hasOwn(Element.prototype, property) ) {
+            return Element.prototype;
+        }
         if ( Object.hasOwn(Node.prototype, property) ) {
             return Node.prototype;
         }

Original file line number	Diff line number	Diff line change
`@@ -52,12 +52,15 @@ function freezeElementProperty(`
`52`	`52`	`const logPrefix = safe.makeLogPrefix('freeze-element-property', property, selector, pattern);`
`53`	`53`	`const matcher = safe.initPattern(pattern, { canNegate: true });`
`54`	`54`	`const owner = (( ) => {`
`55`		`- if ( Object.hasOwn(Element.prototype, property) ) {`
`56`		`- return Element.prototype;`
	`55`	`+ if ( Object.hasOwn(HTMLScriptElement.prototype, property) ) {`
	`56`	`+ return HTMLScriptElement.prototype;`
`57`	`57`	`}`
`58`	`58`	`if ( Object.hasOwn(HTMLElement.prototype, property) ) {`
`59`	`59`	`return HTMLElement.prototype;`
`60`	`60`	`}`
	`61`	`+ if ( Object.hasOwn(Element.prototype, property) ) {`
	`62`	`+ return Element.prototype;`
	`63`	`+ }`
`61`	`64`	`if ( Object.hasOwn(Node.prototype, property) ) {`
`62`	`65`	`return Node.prototype;`
`63`	`66`	`}`