---
title: maxX()
framework: mapkitjs
role: symbol
role_heading: Instance Method
path: mapkitjs/maprect/maxx
---

# maxX()

Returns the maximum x-axis value of a rectangle.

## Declaration

```data
maxX(): number;
```

## See Also

### Obtaining rectangle metrics

- [maxY()](mapkitjs/maprect/maxy.md)
- [midX()](mapkitjs/maprect/midx.md)
- [midY()](mapkitjs/maprect/midy.md)
- [minX()](mapkitjs/maprect/minx.md)
- [minY()](mapkitjs/maprect/miny.md)