Function isNull

isNull(object: unknown): object is null
Returns true if the given object is strictly null. Otherwise, returnsfalse.
```
const util = require('util');

util.isNull(0);
// Returns: false
util.isNull(undefined);
// Returns: false
util.isNull(null);
// Returns: true
```
Deprecated
Since v4.0.0 - Use value === null instead.
Parameters
- object: unknown
Returns object is null
isNull(object: unknown): object is null
Returns true if the given object is strictly null. Otherwise, returnsfalse.
```
const util = require('util');

util.isNull(0);
// Returns: false
util.isNull(undefined);
// Returns: false
util.isNull(null);
// Returns: true
```
Deprecated
Since v4.0.0 - Use value === null instead.
Parameters
- object: unknown
Returns object is null

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