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Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Nikolay Vitkov <nvitkov@chromium.org>
68 lines
997 B
Markdown
68 lines
997 B
Markdown
---
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sidebar_label: Mouse.wheel
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---
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# Mouse.wheel() method
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Dispatches a `mousewheel` event.
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#### Signature:
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```typescript
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class Mouse {
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abstract wheel(options?: Readonly<MouseWheelOptions>): Promise<void>;
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}
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```
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## Parameters
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<table><thead><tr><th>
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Parameter
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</th><th>
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Type
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</th><th>
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Description
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</th></tr></thead>
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<tbody><tr><td>
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options
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</td><td>
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Readonly<[MouseWheelOptions](./puppeteer.mousewheeloptions.md)>
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</td><td>
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_(Optional)_ Optional: `MouseWheelOptions`.
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</td></tr>
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</tbody></table>
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**Returns:**
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Promise<void>
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## Example
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An example of zooming into an element:
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```ts
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await page.goto(
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'https://mdn.mozillademos.org/en-US/docs/Web/API/Element/wheel_event$samples/Scaling_an_element_via_the_wheel?revision=1587366'
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);
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const elem = await page.$('div');
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const boundingBox = await elem.boundingBox();
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await page.mouse.move(
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boundingBox.x + boundingBox.width / 2,
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boundingBox.y + boundingBox.height / 2
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);
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await page.mouse.wheel({deltaY: -100});
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```
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