`Page.setDeviceMetricsOverride`

Overrides the values of device screen dimensions (window.screen.width, window.screen.height, window.innerWidth, window.innerHeight, and "device-width"/"device-height"-related CSS media query results).

Domain: Page deprecated

Parameters

Name	Type	Description
`width`	`integer`	Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
`height`	`integer`	Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
`deviceScaleFactor`	`number`	Overriding device scale factor value. 0 disables the override.
`mobile`	`boolean`	Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text autosizing and more.
`scale` (optional)	`number`	Scale to apply to resulting view image.
`screenWidth` (optional)	`integer`	Overriding screen width value in pixels (minimum 0, maximum 10000000).
`screenHeight` (optional)	`integer`	Overriding screen height value in pixels (minimum 0, maximum 10000000).
`positionX` (optional)	`integer`	Overriding view X position on screen in pixels (minimum 0, maximum 10000000).
`positionY` (optional)	`integer`	Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).
`dontSetVisibleSize` (optional)	`boolean`	Do not set visible view size, rely upon explicit setVisibleSize call.
`screenOrientation` (optional)	`Emulation.ScreenOrientation`	Screen orientation override.
`viewport` (optional)	`Viewport`	The viewport dimensions and scale. If not set, the override is cleared.

Example Request

{
  "id": 1,
  "method": "Page.setDeviceMetricsOverride",
  "params": {
    "width": 1280,
    "height": 720,
    "deviceScaleFactor": 1.0,
    "mobile": true
  }
}

Example Response

{
  "id": 1,
  "result": {}
}

Usage in Node.js

const result = await send('Page.setDeviceMetricsOverride', {"width": 1280, "height": 720, "deviceScaleFactor": 1.0, "mobile": true});
console.log(result);