1. Web
  2. WebDriver
  3. Reference
  4. BiDi
  5. Modules
  6. log

log module

The log module provides an event for monitoring browser log entries, including console API output and unhandled JavaScript errors.

Commands

The log module has no associated commands.

Events

Specifications

Specification
WebDriver BiDi
# module-log

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
log
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
log.entryAdded event
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
args parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Partial support
Firefox 94 (Release date: 2021-11-02)
footnote Partial support
footnote Basic support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Partial support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Partial support
footnote Basic support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
level parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
method parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
source parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Partial support
Firefox 104 (Release date: 2022-08-23)
footnote Partial support
footnote When produced by sandboxed code, the realm reference is incorrect. It returns the window’s realm instead.
footnote Requires the addition of the userContext field.
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Partial support
Firefox for Android 104 (Release date: 2022-08-23)
footnote Partial support
footnote When produced by sandboxed code, the realm reference is incorrect. It returns the window’s realm instead.
footnote Requires the addition of the userContext field.
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
stackTrace parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Partial support
Firefox 97 (Release date: 2022-02-08)
footnote Partial support
footnote The stackTrace value is missing when the log entry originates from asynchronous code, or is produced via the Console API.
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Partial support
Firefox for Android 97 (Release date: 2022-02-08)
footnote Partial support
footnote The stackTrace value is missing when the log entry originates from asynchronous code, or is produced via the Console API.
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
text parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
timestamp parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
type parameter
Chrome – Full support
Chrome 126 (Release date: 2024-06-11)
footnote Full support
Edge – Full support
Edge 126 (Release date: 2024-06-13)
footnote Full support
Firefox – Full support
Firefox 94 (Release date: 2021-11-02)
footnote Full support
Opera – Full support
Opera 112 (Release date: 2024-07-11)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 126 (Release date: 2024-06-11)
footnote Full support
Firefox for Android – Full support
Firefox for Android 94 (Release date: 2021-11-02)
footnote Full support
Opera Android – Full support
Opera Android 83 (Release date: 2024-06-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 28 (Release date: 2025-04-02)
footnote Full support
WebView Android – Full support
WebView Android 126 (Release date: 2024-06-11)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Tip: you can click/tap on a cell for more information.

Full support
Partial support
No support

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