playwright-skill

# Playwright Skill > Opinionated, production-tested Playwright guidance — every pattern includes when (and when *not*) to use it. **50+ reference guides** covering the full Playwright surface: selectors, assertions, fixtures, page objects, network mocking, auth, visual regression, accessibility, API testing, CI/CD, debugging, and more — with TypeScript and JavaScript examples throughout. Playwright 1.63 highlights covered in these guides: test `lock` for serializing contention on a shared resource, `locator.visible()` replacing the `:visible` pseudo-class, aria and screen snapshots in traces (`snapshots: { dom, aria, screen }`), `--add-reporter` for appending rather than replacing reporters, the `perfetto` reporter, typed `request.get<User>()`, and `ariaSnapshotJSON()`. From 1.62: `reporter.preprocess()` for selecting tests before execution, `retryStrategy: 'isolated'`, WebP screenshots with a `quality` parameter, `AbortSignal` on actions and assertions, `locator.waitForFunction()`, `apiResponse.timing()`, and the stories-and-galleries component testing model that replaces the deprecated experimental CT packages. A dedicated [dynamic-test-selection.md](core/dynamic-test-selection.md) guide covers driving quarantine from an external flakiness API. Earlier releases remain covered: 1.61 (WebAuthn passkeys via `context.credentials`, `page.localStorage` / `page.sessionStorage`, video retention modes, `expect.soft.poll()`, WebSockets in HAR and traces), 1.60 (on-demand HAR in t...