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Please enable JavaScript in your browser settings or update your browser.Oppiskele Challenge: Access Array Elements | Mastering JavaScript Arrays
JavaScript Data Structures

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Challenge: Access Array Elements

Task

  1. Create an array called stars with the following star names:

    • "Sirius";

    • "Alpha Centauri";

    • "Betelgeuse";

    • "Polaris".

  2. Log individual star names using different indices (0, 1, 2, and 3) using console.log

const stars = ___;

console.log("First element:", ___); // Output: Sirius
console.log("Second element:", ___); // Output: Alpha Centauri
console.log("Third element:", ___); // Output: Betelgeuse
console.log("Forth element:", ___); // Output: Polaris

              
123456

            
const stars = ___;

console.log("First element:", ___); // Output: Sirius
console.log("Second element:", ___); // Output: Alpha Centauri
console.log("Third element:", ___); // Output: Betelgeuse
console.log("Forth element:", ___); // Output: Polaris
copy

Expected output:

python
First element: Sirius
Second element: Alpha Centauri
Third element: Betelgeuse
Forth element: Polaris

  1. Use square brackets [] to create an array.

  2. Separate each element with the comma ,.

  3. Use console.log() to log the value of the array element at the specified index.

const stars = ["Sirius", "Alpha Centauri", "Betelgeuse", "Polaris"];

console.log("First element:", stars[0]); // Output: Sirius
console.log("Second element:", stars[1]); // Output: Alpha Centauri
console.log("Third element:", stars[2]); // Output: Betelgeuse
console.log("Forth element:", stars[3]); // Output: Polaris

              
123456

            
const stars = ["Sirius", "Alpha Centauri", "Betelgeuse", "Polaris"];

console.log("First element:", stars[0]); // Output: Sirius
console.log("Second element:", stars[1]); // Output: Alpha Centauri
console.log("Third element:", stars[2]); // Output: Betelgeuse
console.log("Forth element:", stars[3]); // Output: Polaris
copy

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