Purpose: Iterates over each element of the original array and applies a specified callback function to produce a new array;

Syntax:

js

Key Points:

• Does not modify the original array;

• Returns a new array of the same length;

• Useful for transforming each element of an array.

Purpose: Selects elements that meet a particular condition, creating a new array;

Syntax:

js

Key Points:

• Does not alter the original array;

• Returns a new array containing elements that satisfy the callback condition;

• Provides a way to filter elements based on specific criteria.

Purpose: Discovers and retrieves the first matching element in an array;

Syntax:

js

Key Points:

• Does not alter the original array;

• Halts upon locating the initial match, returning that specific element;

• Returns undefined if no matching element is found.

Purpose: Modifies the original array, arranging its elements in a new order;

Syntax:

js

Key Points:

• Transforms the original array;

• By default, arranges elements in ascending order;

• Custom sorting can be achieved using a compare function.