From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../broadcastchannel/messageerror_event/index.html | 83 ++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 files/zh-cn/web/api/broadcastchannel/messageerror_event/index.html (limited to 'files/zh-cn/web/api/broadcastchannel/messageerror_event') diff --git a/files/zh-cn/web/api/broadcastchannel/messageerror_event/index.html b/files/zh-cn/web/api/broadcastchannel/messageerror_event/index.html new file mode 100644 index 0000000000..22b1a722f2 --- /dev/null +++ b/files/zh-cn/web/api/broadcastchannel/messageerror_event/index.html @@ -0,0 +1,83 @@ +--- +title: 'BroadcastChannel: messageerror event' +slug: Web/API/BroadcastChannel/messageerror_event +translation_of: Web/API/BroadcastChannel/messageerror_event +--- +
{{APIRef}}
+ +

当频道收到一条无法反序列化的消息时会在 {{domxref('BroadcastChannel')}} 对象上触发 messageerror 事件。

+ + + + + + + + + + + + + + + + + + + + +
BubblesNo
CancelableNo
Interface{{domxref("MessageEvent")}}
Event handler propertyonmessageerror
+ +

示例

+ +

以下代码使用 addEventListener 来监听消息和错误:

+ +
const channel = new BroadcastChannel('example-channel');
+
+channel.addEventListener('message', (event) => {
+  received.textContent = event.data;
+});
+
+channel.addEventListener('messageerror', (event) => {
+  console.error(event);
+});
+ +

使用 onmessageonmessageerror 事件处理程序来实现相同效果:

+ +
const channel = new BroadcastChannel('example-channel');
+
+channel.onmessage = (event) => {
+  received.textContent = event.data;
+};
+
+channel.onmessageerror = (event) => {
+  console.log(event);
+};
+
+ +

规范

+ + + + + + + + + + + + +
规范状态
{{SpecName('HTML WHATWG', 'indices.html#event-messageerror')}}{{Spec2('HTML WHATWG')}}
+ +

浏览器兼容性

+ + + +

{{Compat("api.BroadcastChannel.messageerror_event")}}

+ +

另见

+ + -- cgit v1.2.3-54-g00ecf