<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [Target](./puppeteer.target.md) > [\_defaultViewport](./puppeteer.target._defaultviewport.md) ## Target.\_defaultViewport property <b>Signature:</b> ```typescript _defaultViewport?: Viewport; ```