弃用
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the
兼容性表格
at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
MediaRecorder.onwarning
event handler (part of the
MediaRecorder API
) handles the
recordingwarning
event, allowing you to run code in response to non-fatal errors being thrown during media recording via a
MediaRecorder
, which don't halt recording.
mediaRecorder.onwarning = function(event) { ... }
mediaRecorder.addEventListener('warning', function(event) { ... })
...
mediaRecorder.onwarning = function(e) {
console.log("A warning has been raised: " + e.message);
}
...
message
Contains information about the error that occurred.
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
onwarning
弃用
|
Chrome 49 | Edge 79 | Firefox 25 — 71 | 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
弃用。不要用于新网站。
Navigator.getUserMedia
MediaRecorder