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[`ButtonComponent`](ButtonComponent) › [`onClick`](ButtonComponent/onClick)
## ButtonComponent.onClick() method
0.12.16
**Signature:**
```typescript
onClick(callback: (evt: MouseEvent) => unknown | Promise<unknown>): this;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>callback</code> | <code>(evt: </code><code>MouseEvent</code><code>) => unknown | </code><code>Promise</code><code><unknown></code> | |
**Returns:**
`this`