diff options
Diffstat (limited to 'ext/web/13_message_port.js')
| -rw-r--r-- | ext/web/13_message_port.js | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/web/13_message_port.js b/ext/web/13_message_port.js index 93145e8f7..d94ca1382 100644 --- a/ext/web/13_message_port.js +++ b/ext/web/13_message_port.js @@ -150,7 +150,7 @@ class MessagePort extends EventTarget { * @param {any} message * @param {object[] | StructuredSerializeOptions} transferOrOptions */ - postMessage(message, transferOrOptions = {}) { + postMessage(message, transferOrOptions = { __proto__: null }) { webidl.assertBranded(this, MessagePortPrototype); const prefix = "Failed to execute 'postMessage' on 'MessagePort'"; webidl.requiredArguments(arguments.length, 1, prefix); |