---
title: scale
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/webkitcssmatrix/1632184-scale
---

# scale

Returns the result of scaling this matrix by a given vector.

## Declaration

```data
WebKitCSSMatrix scale(
    optional unrestricted double scaleX, 
    optional unrestricted double scaleY, 
    optional unrestricted double scaleZ
);
```

## Parameters

- `scaleX`: The x component in the vector.
- `scaleY`: The y component in the vector. If undefined, the x component is used.
- `scaleZ`: The z component in the vector. If undefined, 1 is used.

## Return Value

Return Value A new matrix that is the result of scaling this matrix.

## Discussion

Discussion This matrix is not modified by this method.

## See Also

### Applying Operations

- [multiply](webkitjs/webkitcssmatrix/1631528-multiply.md)
- [inverse](webkitjs/webkitcssmatrix/1633805-inverse.md)
- [translate](webkitjs/webkitcssmatrix/1630758-translate.md)
- [rotate](webkitjs/webkitcssmatrix/1629773-rotate.md)
- [rotateAxisAngle](webkitjs/webkitcssmatrix/1632317-rotateaxisangle.md)
- [skewX](webkitjs/webkitcssmatrix/1633353-skewx.md)
- [skewY](webkitjs/webkitcssmatrix/1631022-skewy.md)