MediaRecorder: warning event

Deprecated: 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 compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The warning event fires on non-fatal errors during media recording via a MediaRecorder. Non-fatal errors are one's that don't halt recording.


A function reference.



mediaRecorder.onwarning = (e) => {
  console.warn(`A warning has been raised: ${e.message}`);

Browser compatibility

BCD tables only load in the browser

See also