[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [VisualViewport](./puppeteer.protocol.page.visualviewport.md) > [offsetX](./puppeteer.protocol.page.visualviewport.offsetx.md) ## Protocol.Page.VisualViewport.offsetX property Horizontal offset relative to the layout viewport (CSS pixels). Signature: ```typescript offsetX: number; ```