puppeteer/docs/api/puppeteer.page.viewport.md

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Page.viewport

Page.viewport() method

Returns the current page viewport settings without checking the actual page viewport.

This is either the viewport set with the previous Page.setViewport() call or the default viewport set via BrowserConnectOptions.defaultViewport.

Signature:

class Page {
  abstract viewport(): Viewport | null;
}

Returns:

Viewport | null