freeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-an.../basic-javascript/delete-properties-from-a-ja...

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---
id: 56bbb991ad1ed5201cd392d3
title: Delete Properties from a JavaScript Object
challengeType: 1
videoUrl: 'https://scrimba.com/c/cDqKdTv'
forumTopicId: 17560
dashedName: delete-properties-from-a-javascript-object
---
# --description--
We can also delete properties from objects like this:
```js
delete ourDog.bark;
```
Example:
```js
var ourDog = {
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"],
"bark": "bow-wow"
};
delete ourDog.bark;
```
After the last line shown above, `ourDog` looks like:
```js
{
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"]
}
```
# --instructions--
Delete the `tails` property from `myDog`. You may use either dot or bracket notation.
# --hints--
You should delete the property `tails` from `myDog`.
```js
assert(typeof myDog === 'object' && myDog.tails === undefined);
```
You should not modify the `myDog` setup.
```js
assert(code.match(/"tails": 1/g).length > 0);
```
# --seed--
## --after-user-code--
```js
(function(z){return z;})(myDog);
```
## --seed-contents--
```js
// Setup
var myDog = {
"name": "Happy Coder",
"legs": 4,
"tails": 1,
"friends": ["freeCodeCamp Campers"],
"bark": "woof"
};
// Only change code below this line
```
# --solutions--
```js
var myDog = {
"name": "Happy Coder",
"legs": 4,
"tails": 1,
"friends": ["freeCodeCamp Campers"],
"bark": "woof"
};
delete myDog.tails;
```