---
title: unsignedLongLongNullableAttr
framework: webkitjs
role: symbol
role_heading: Instance Property
path: webkitjs/testdomjit/2871005-unsignedlonglongnullableattr
---

# unsignedLongLongNullableAttr

## Declaration

```data
readonly attribute unsigned long long? unsignedLongLongNullableAttr;
```