Challenge 1 of 12
Create an object
Instructions
Create `user` with `name: "Riya"` and `age: 24`.
Editor
IntelliSense on
// Write your code below
Module 9 of 10
objects
Create objects, read properties, and add methods.
JavaScript Basics · 0/12 completed · scroll down for every challenge
Challenge 2 of 12 · Bracket access
Challenge 2 of 12
Bracket access
Instructions
Read `city` from `profile` using bracket notation into `place`.
Editor
IntelliSense on
const profile = { city: "Mumbai", country: "IN" };
// Write your code below
Challenge 3 of 12 · Update a property
Challenge 3 of 12
Update a property
Instructions
Set `player.score` to 120. `player` already exists.
Editor
IntelliSense on
const player = { name: "Ava", score: 0 };
// Write your code below
Challenge 4 of 12 · Object method
Challenge 4 of 12
Object method
Instructions
Add method `bark()` to `dog` that returns `"woof"`.
Editor
IntelliSense on
const dog = { name: "Max" };
// Write your code below
Challenge 5 of 12 · Destructuring
Challenge 5 of 12
Destructuring
Instructions
Destructure `title` and `year` from `book`.
Editor
IntelliSense on
const book = { title: "Eloquent JS", year: 2018 };
// Write your code below
Challenge 6 of 12 · Add a property
Challenge 6 of 12
Add a property
Instructions
Add `active: true` to `account`.
Editor
IntelliSense on
const account = { id: 1 };
// Write your code below
Challenge 7 of 12 · Nested property
Challenge 7 of 12
Nested property
Instructions
Store `user.address.city` in `city`.
Editor
IntelliSense on
const user = { address: { city: "Pune", pin: 411001 } };
// Write your code below
Challenge 8 of 12 · Object keys
Challenge 8 of 12
Object keys
Instructions
Store `Object.keys(user)` in `keys`.
Editor
IntelliSense on
const user = { name: "Sam", age: 20 };
// Write your code below
Challenge 9 of 12 · Has own property
Challenge 9 of 12
Has own property
Instructions
Set `hasAge` to true if `"age"` is a key on `user` (`"age" in user`).
Editor
IntelliSense on
const user = { name: "Sam", age: 20 };
// Write your code below
Challenge 10 of 12 · Delete a key
Challenge 10 of 12
Delete a key
Instructions
Delete `temp` from `data`.
Editor
IntelliSense on
const data = { temp: 1, keep: 2 };
// Write your code below
Challenge 11 of 12 · Object values
Challenge 11 of 12
Object values
Instructions
Store `Object.values(score)` in `points`.
Editor
IntelliSense on
const score = { a: 1, b: 2 };
// Write your code below
Challenge 12 of 12 · Shorthand properties
Challenge 12 of 12
Shorthand properties
Instructions
Given `name` and `age`, create `person` using property shorthand.
Editor
IntelliSense on
const name = "Leo"; const age = 19; // Write your code below
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