puppeteer/website/versioned_docs/version-16.1.0/api/puppeteer.errors.md
release-please[bot] 2d5f216621
chore(main): release 16.1.0 (#8743)
* chore(main): release 16.1.0

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-08-06 16:49:20 +02:00

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---
sidebar_label: errors
---
# errors variable
Puppeteer methods might throw errors if they are unable to fulfill a request. For example, `page.waitForSelector(selector[, options])` might fail if the selector doesn't match any nodes during the given timeframe.
For certain types of errors Puppeteer uses specific error classes. These classes are available via `puppeteer.errors`.
**Signature:**
```typescript
errors: PuppeteerErrors;
```
## Example
An example of handling a timeout error:
```ts
try {
await page.waitForSelector('.foo');
} catch (e) {
if (e instanceof puppeteer.errors.TimeoutError) {
// Do something if this is a timeout.
}
}
```