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# `whereNull()`
The `whereNull` method filters items where the given key is null.
```js
const collection = collect([{
name: 'Mohamed Salah',
}, {
name: null,
}, {
name: 'Sadio Mané',
}]);
const filtered = collection.whereNull();
filtered.all();
// [
// { name: null },
// ]
```
[View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/whereNull.js)