---
title: webkitCompassAccuracy
framework: webkitjs
role: pseudoSymbol
path: webkitjs/deviceorientationevent/1804769-webkitcompassaccuracy
---

# webkitCompassAccuracy

The accuracy of the compass data in degrees.

## Declaration

```data
readonly attribute double webkitCompassAccuracy
```

## Overview

Overview For example, if this property value is 10, the heading is off by plus or minus 10 degrees. A value of -1 means that the compass is not calibrated and not giving usable readings.

## See Also

### Getting Compass Properties

- [webkitCompassHeading](webkitjs/deviceorientationevent/1804777-webkitcompassheading.md)