[Home](./index.md) > [server](./server.md) > [Quaternion](./server.quaternion.md) > [dot](./server.quaternion.dot.md) ## Quaternion.dot() method Calculates the dot product of the current quaternion and another quaternion. **Signature:** ```typescript dot(quaternion: Quaternion): number; ``` ## Parameters

Parameter	Type	Description
quaternion	[Quaternion](./server.quaternion.md)

**Returns:** number The dot product.