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Version: 22.13.0

Mouse.wheel() method

Dispatches a mousewheel event.

Signature:

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

Parameters

Parameter

Type

Description

options

Readonly<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});