MediaRecorder.onstart
event handler (part of the
MediaRecorder API
) handles the
start
event, allowing you to run code in response to media recording being started by a
MediaRecorder
.
start
event is thrown as a result of the
MediaRecorder.start()
method being invoked. At this point, the data starts being gathered into a
Blob
.
MediaRecorder.onstart = function(event) { ... }
MediaRecorder.addEventListener('start', function(event) { ... })
...
record.onclick = function() {
mediaRecorder.start();
console.log("recorder started");
}
mediaRecorder.onstart = function() {
// do something in response to
// recording being started
}
...
None.
| 规范 | 状态 | 注释 |
|---|---|---|
|
MediaStream 录制
The definition of 'MediaRecorder.onstart' in that specification. |
工作草案 | 初始定义 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
onstart
|
Chrome 49 | Edge 79 | Firefox 25 | IE No | Opera 36 | Safari No | WebView Android 49 | Chrome Android 49 | Firefox Android 25 | Opera Android 36 | Safari iOS No | Samsung Internet Android 5.0 |
完整支持
不支持
Navigator.getUserMedia