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Printing regression bugs can be mitigated using visual regression testing via BackstopJS.
Print styles can be enabled via the Chrome DevTools Protocol, using the `setEmulatedMedia` method.
https…
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Giving a BrowserWindow the system principal, which I did on the webview-branch (since merged to master), causes the BrowserWindow document body to appear empty in the Inspector devtool's tree view, wh…
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## DevTools 原理
DevTools 本质上可以看成是一个前端小应用,代码在这里: [ChromeDevTools/devtools-frontend](https://github.com/ChromeDevTools/devtools-frontend),当然,你也可以在 Chrome 浏览器直接打开:`devtools://devtools/bundled/inspector…
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### FAQ
- [X] Yes, my issue is not about [variability](https://github.com/GoogleChrome/lighthouse/blob/main/docs/variability.md) or [throttling](https://github.com/GoogleChrome/lighthouse/blob/main/d…
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How to interact and close tabs and pop-ups like 'chrome://privacy-sandbox-dialog/notice' or "Restore pages?"
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Hi,
I got this error, and when i try to read your code, I think u still not implemented `switch_to.frame` correctly. because u treat `frame` like an `iframe` while both of them have different element…
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On Flutter dev 2.5.0-1.0.pre
Command:
```
run --machine --target lib\main.dart -d chrome --dart-define=flutter.inspector.structuredErrors=true --start-paused --web-server-debug-protocol ws --web-…
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### FAQ
- [X] Yes, my issue is not about [variability](https://github.com/GoogleChrome/lighthouse/blob/main/docs/variability.md) or [throttling](https://github.com/GoogleChrome/lighthouse/blob/main/d…
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### What would you like?
The DevTools Performance profiles can be really helpful for debugging performance issues. Unfortunately this means a user has to *make it* to DevTools Performance tab, star…
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## 前提
- Chromiumのバージョンアップによって、スクリーンショットで透明背景撮影などが可能になった(正確には、画面サイズがぶっ壊れていたのが直った)
- ところが、Mutexがかかって同時に複数のChromiumを起動できなくなった
- これまでは複数プロセスをある程度並行起動してスクリーンショットを撮影させていた
- 以前はそこまででもなかったが、ヘッドレスシステムが…