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Lära Challenge: Modify and Extend an Object | Fundamentals of JavaScript Objects
JavaScript Data Structures

bookChallenge: Modify and Extend an Object

Task

You're given an object, student, representing a student's information. Your task is to modify existing properties and add new properties.

  • Modify the student's age to be 21.
  • Add a new property called grade and set it to "A".
12345678910111213
const student = { name: "Pauline Reilly", age: 24, major: "Humanities", }; // Task 1: Modify `age` to `21` ___ = ___ console.log(student.age); // Output: 21 // Task 2: Add a new property `grade` ___ = ___ console.log(student.grade); // Output: A
copy

Expected output:

21
A
  1. To modify a property's value, use assignment with dot notation.
  2. To add a new property, use the assignment with dot notation, providing the property name and value.
12345678910111213
const student = { name: "Pauline Reilly", age: 24, major: "Humanities", }; // Task 1: Modify `age` to `21` student.age = 21; console.log(student.age); // Output: 21 // Task 2: Add a new property `grade` student.grade = "A"; console.log(student.grade); // Output: A
copy

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 8

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bookChallenge: Modify and Extend an Object

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Task

You're given an object, student, representing a student's information. Your task is to modify existing properties and add new properties.

  • Modify the student's age to be 21.
  • Add a new property called grade and set it to "A".
12345678910111213
const student = { name: "Pauline Reilly", age: 24, major: "Humanities", }; // Task 1: Modify `age` to `21` ___ = ___ console.log(student.age); // Output: 21 // Task 2: Add a new property `grade` ___ = ___ console.log(student.grade); // Output: A
copy

Expected output:

21
A
  1. To modify a property's value, use assignment with dot notation.
  2. To add a new property, use the assignment with dot notation, providing the property name and value.
12345678910111213
const student = { name: "Pauline Reilly", age: 24, major: "Humanities", }; // Task 1: Modify `age` to `21` student.age = 21; console.log(student.age); // Output: 21 // Task 2: Add a new property `grade` student.grade = "A"; console.log(student.grade); // Output: A
copy

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 8
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