---
title: m12
framework: webkitjs
role: symbol
role_heading: Instance Property
path: webkitjs/webkitcssmatrix/1629940-m12
---

# m12

The 3D matrix value in the first row and second column.

## Declaration

```data
attribute unrestricted double m12;
```

## Discussion

Discussion One of the 16 values for the 4x4 homogeneous matrix. For example, m12 represents the value in the first row and the second column.

## See Also

### Accessing Properties

- [a](webkitjs/webkitcssmatrix/1633464-a.md)
- [b](webkitjs/webkitcssmatrix/1630954-b.md)
- [c](webkitjs/webkitcssmatrix/1629966-c.md)
- [d](webkitjs/webkitcssmatrix/1633079-d.md)
- [e](webkitjs/webkitcssmatrix/1633835-e.md)
- [f](webkitjs/webkitcssmatrix/1633411-f.md)
- [m11](webkitjs/webkitcssmatrix/1629449-m11.md)
- [m13](webkitjs/webkitcssmatrix/1629376-m13.md)
- [m14](webkitjs/webkitcssmatrix/1632308-m14.md)
- [m21](webkitjs/webkitcssmatrix/1630988-m21.md)
- [m22](webkitjs/webkitcssmatrix/1632488-m22.md)
- [m23](webkitjs/webkitcssmatrix/1629105-m23.md)
- [m24](webkitjs/webkitcssmatrix/1633956-m24.md)
- [m31](webkitjs/webkitcssmatrix/1628844-m31.md)
- [m32](webkitjs/webkitcssmatrix/1633297-m32.md)
- [m33](webkitjs/webkitcssmatrix/1633250-m33.md)
- [m34](webkitjs/webkitcssmatrix/1630077-m34.md)
- [m41](webkitjs/webkitcssmatrix/1630945-m41.md)
- [m42](webkitjs/webkitcssmatrix/1630663-m42.md)
- [m43](webkitjs/webkitcssmatrix/1633644-m43.md)
- [m44](webkitjs/webkitcssmatrix/1631430-m44.md)