3 files changed, 10 insertions, 4 deletions
diff --git a/op_crates/web/02_abort_signal.js b/op_crates/web/02_abort_signal.js
index 354cd1fbf..5ee047c36 100644
--- a/op_crates/web/02_abort_signal.js
+++ b/op_crates/web/02_abort_signal.js
@@ -31,7 +31,7 @@
       this.#abortAlgorithms.delete(algorithm);
     }
 
-    constructor(key) {
+    constructor(key = null) {
       if (key != illegalConstructorKey) {
         throw new TypeError("Illegal constructor.");
       }
diff --git a/op_crates/web/03_global_interfaces.js b/op_crates/web/03_global_interfaces.js
index 3c6b5695b..7ade64cc1 100644
--- a/op_crates/web/03_global_interfaces.js
+++ b/op_crates/web/03_global_interfaces.js
@@ -4,7 +4,7 @@
   const illegalConstructorKey = Symbol("illegalConstuctorKey");
 
   class Window extends EventTarget {
-    constructor(key) {
+    constructor(key = null) {
       if (key !== illegalConstructorKey) {
         throw new TypeError("Illegal constructor.");
       }
@@ -17,7 +17,7 @@
   }
 
   class WorkerGlobalScope extends EventTarget {
-    constructor(key) {
+    constructor(key = null) {
       if (key != illegalConstructorKey) {
         throw new TypeError("Illegal constructor.");
       }
@@ -30,7 +30,7 @@
   }
 
   class DedicatedWorkerGlobalScope extends WorkerGlobalScope {
-    constructor(key) {
+    constructor(key = null) {
       if (key != illegalConstructorKey) {
         throw new TypeError("Illegal constructor.");
       }
diff --git a/op_crates/web/abort_controller_test.js b/op_crates/web/abort_controller_test.js
index a65bc69ff..2f26ade28 100644
--- a/op_crates/web/abort_controller_test.js
+++ b/op_crates/web/abort_controller_test.js
@@ -118,6 +118,11 @@ function abortSignalHandlerLocation() {
   const abortHandler = Object.getOwnPropertyDescriptor(signal, "onabort");
   assertEquals(abortHandler, undefined);
 }
+function abortSignalLength() {
+  const controller = new AbortController();
+  const { signal } = controller;
+  assertEquals(signal.constructor.length, 0);
+}
 function main() {
   basicAbortController();
   signalCallsOnabort();
@@ -128,6 +133,7 @@ function main() {
   abortSignalEventOrder();
   abortSignalEventOrderComplex();
   abortSignalHandlerLocation();
+  abortSignalLength();
 }
 
 main();