WebError

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

Sync

# Log all uncaught errors to the terminal
context.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>")

Async

# Log all uncaught errors to the terminal
context.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>")

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Properties

error

Added in: v1.38 webError.error

Unhandled error that was thrown.

Usage

web_error.error

Returns

• Error#

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page

Added in: v1.38 webError.page

The page that produced this unhandled exception, if any.

Usage

web_error.page

Returns

• NoneType|Page#