📄 playwright-python/python/docs/api/class-weberror

File: class-weberror.md | Updated: 11/18/2025

Source: https://playwright.dev/python/docs/api/class-weberror

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WebError class represents an unhandled exception thrown in the page. It is dispatched via the browser_context.on("weberror") event.

  • Sync

  • Async

    Log all uncaught errors to the terminalcontext.on("weberror", lambda web_error: print(f"uncaught exception: {web_error.error}"))# Navigate to a page with an exception.page.goto("data:text/html,<script>throw new Error('test')</script>")

    Log all uncaught errors to the terminalcontext.on("weberror", lambda web_error: print(f"uncaught exception: {web_error.error}"))# Navigate to a page with an exception.await page.goto("data:text/html,<script>throw new Error('test')</script>")


Properties


error

Added in: v1.38 webError.error

Unhandled error that was thrown.

Usage

web_error.error

Returns


page

Added in: v1.38 webError.page

The page that produced this unhandled exception, if any.

Usage

web_error.page

Returns