BroadcastChannel.postMessage()
sends a message, which can be of any kind of
对象
, to each listener in any
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with the same
origin
. The message is transmitted as a
message
event targeted at each
BroadcastChannel
bound to the channel.
var str = channel.postMessage(object);
| 规范 | 状态 | 注释 |
|---|---|---|
|
HTML 实时标准
The definition of 'BroadcastChannel.postmessage()' in that specification. |
实时标准 | 初始定义。 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
postMessage
|
Chrome 54 | Edge ≤79 | Firefox 38 | IE No | Opera 41 | Safari No | WebView Android 54 | Chrome Android 54 | Firefox Android ? | Opera Android 41 | Safari iOS No | Samsung Internet Android 6.0 |
完整支持
不支持
兼容性未知
BroadcastChannel
, the interface it belongs to.
BroadcastChannel
close()
postMessage()