> For the complete documentation index, see [llms.txt](https://docs.angular-package.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.angular-package.dev/type/object/isnot-isnot.md).

# isNot: IsNot {}

## `isNot: IsNot {}`

The [`object`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object) consists of **isNot** functions.

{% code title="is-not.object.ts" %}

```typescript
const isNot: IsNot = Object.freeze({
  boolean: isNotBoolean,
  defined: isNotDefined,
  function: isNotFunction,
  null: isNotNull,
  number: isNotNumber,
  string: isNotString,
  undefined: isNotUndefined
});
```

{% endcode %}