puppeteer/docs/api/puppeteer.browserlaunchargumentoptions.devtools.md

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BrowserLaunchArgumentOptions.devtools

BrowserLaunchArgumentOptions.devtools property

Whether to auto-open a DevTools panel for each tab. If this is set to true, then headless will be forced to false.

Signature:

interface BrowserLaunchArgumentOptions {
  devtools?: boolean;
}