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---
id: 587d7fb8367417b2b2512c10
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title: Delete One Document Using model.findByIdAndRemove
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challengeType: 2
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forumTopicId: 301539
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dashedName: delete-one-document-using-model-findbyidandremove
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---
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# --description--
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`findByIdAndRemove` and `findOneAndRemove` are like the previous update methods. They pass the removed document to the db. As usual, use the function argument `personId` as the search key.
# --instructions--
Modify the `removeById` function to delete one person by the person's `_id` . You should use one of the methods `findByIdAndRemove()` or `findOneAndRemove()` .
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# --hints--
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Deleting an item should succeed
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```js
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(getUserInput) =>
$.post(getUserInput('url') + '/_api/remove-one-person', {
name: 'Jason Bourne',
age: 36,
favoriteFoods: ['apples']
}).then(
(data) => {
assert.equal(data.name, 'Jason Bourne', 'item.name is not what expected');
assert.equal(data.age, 36, 'item.age is not what expected');
assert.deepEqual(
data.favoriteFoods,
['apples'],
'item.favoriteFoods is not what expected'
);
assert.equal(data.__v, 0);
assert.equal(data.count, 0, 'the db items count is not what expected');
},
(xhr) => {
throw new Error(xhr.responseText);
}
);
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```
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# --solutions--
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```js
/**
Backend challenges don't need solutions,
because they would need to be tested against a full working project.
Please check our contributing guidelines to learn more.
*/
```