f07ad2c661
This PR updates the docs regarding configuring puppeteer. In addition, some changes have been made to the documentation generator to show default values on the documentation site. Also fixes: https://github.com/puppeteer/puppeteer/pull/9144
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| Page.setViewport |
Page.setViewport() method
page.setViewport will resize the page. A lot of websites don't expect phones to change size, so you should set the viewport before navigating to the page.
In the case of multiple pages in a single browser, each page can have its own viewport size.
Signature:
class Page {
setViewport(viewport: Viewport): Promise<void>;
}
Parameters
| Parameter | Type | Description |
|---|---|---|
| viewport | Viewport |
Returns:
Promise<void>
Remarks
Argument viewport have following properties:
-
width: page width in pixels. required -
height: page height in pixels. required -
deviceScaleFactor: Specify device scale factor (can be thought of as DPR). Defaults to1. -
isMobile: Whether the meta viewport tag is taken into account. Defaults tofalse. -
hasTouch: Specifies if viewport supports touch events. Defaults tofalse -
isLandScape: Specifies if viewport is in landscape mode. Defaults to false.
NOTE: in certain cases, setting viewport will reload the page in order to set the isMobile or hasTouch properties.
Example
const page = await browser.newPage();
await page.setViewport({
width: 640,
height: 480,
deviceScaleFactor: 1,
});
await page.goto('https://example.com');