puppeteer/docs/api/puppeteer.mouse.wheel.md
jrandolf f07ad2c661
fix: update documentation on configuring puppeteer ()
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
2022-10-24 09:07:05 +02:00

1.1 KiB

sidebar_label
Mouse.wheel

Mouse.wheel() method

Dispatches a mousewheel event.

Signature:

class Mouse {
  wheel(options?: MouseWheelOptions): Promise<void>;
}

Parameters

Parameter Type Description
options MouseWheelOptions (Optional) Optional: MouseWheelOptions.

Returns:

Promise<void>

Example

An example of zooming into an element:

await page.goto(
  'https://mdn.mozillademos.org/en-US/docs/Web/API/Element/wheel_event$samples/Scaling_an_element_via_the_wheel?revision=1587366'
);

const elem = await page.$('div');
const boundingBox = await elem.boundingBox();
await page.mouse.move(
  boundingBox.x + boundingBox.width / 2,
  boundingBox.y + boundingBox.height / 2
);

await page.mouse.wheel({deltaY: -100});