---
title: testEnforceRangeUnsignedLongLong
framework: webkitjs
role: symbol
role_heading: Instance Property
path: webkitjs/typeconversions/1633361-testenforcerangeunsignedlonglong
---

# testEnforceRangeUnsignedLongLong

## Declaration

```data
attribute unsigned long long testEnforceRangeUnsignedLongLong;
```