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JS Fundamentals: Objects, Arrays, and Functions

Introduction

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Bonus: Merge Sort

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Objects & Arrays

Exercise: Array Getters and Setters

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Prompt 1

Implement a method, head that gets the first element of array.

Definition: head(array)

Example Usage:

const suspects = ["Colonel Mustard", "Prof Plum"];

console.log(head(suspects));

// => "Colonel Mustard"

Code here

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head Solution

Prompt 2

Implement nthValue :

Gets the element at index n of array. If n is negative, the nth element from the end is returned.

Definition: nthValue(array, number)

Example Usage:

const suspects = ["Colonel Mustard", "Miss Scarlett", "Prof Plum"];

console.log(nthValue(suspects, 0));

// => "Colonel Mustard"

console.log(nthValue(suspects, 2));

// => "Prof Plum"

console.log(nthValue(suspects, -1));

// => "Prof Plum"

Code here

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nthValue Solution

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`Memory Model`⁠

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Exercise: Array Getters and Setters

Prompt 1

Code here

head Solution

Prompt 2

Code here

nthValue Solution

Next 👉 Memory Model⁠

Next 👉
`Memory Model`⁠