43 lines
1.0 KiB
Markdown
43 lines
1.0 KiB
Markdown
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
|
|
|
|
[Home](./index.md) > [puppeteer](./puppeteer.md) > [Mouse](./puppeteer.mouse.md) > [wheel](./puppeteer.mouse.wheel.md)
|
|
|
|
## Mouse.wheel() method
|
|
|
|
Dispatches a `mousewheel` event.
|
|
|
|
<b>Signature:</b>
|
|
|
|
```typescript
|
|
wheel(options?: MouseWheelOptions): Promise<void>;
|
|
```
|
|
|
|
## Parameters
|
|
|
|
| Parameter | Type | Description |
|
|
| --- | --- | --- |
|
|
| options | [MouseWheelOptions](./puppeteer.mousewheeloptions.md) | Optional: <code>MouseWheelOptions</code>. |
|
|
|
|
<b>Returns:</b>
|
|
|
|
Promise<void>
|
|
|
|
## Example
|
|
|
|
An example of zooming into an element:
|
|
|
|
```js
|
|
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 })
|
|
|
|
```
|
|
|