In this HackerRank Day 1: Arithmetic Operators 10 days of javascript problem solution Complete the following functions in the editor below:

1. getArea(length, width): Calculate and return the area of a rectangle having sides length and width.
2. getPerimeter(length, width): Calculate and return the perimeter of a rectangle having sides length and width.
The values returned by these functions are printed to stdout by locked stub code in the editor.

## Problem solution in JavaScript programming.

```/**
*   Calculate the area of a rectangle.
*
*   length: The length of the rectangle.
*   width: The width of the rectangle.
*
*	Return a number denoting the rectangle's area.
**/
function getArea(length, width) {
return (length * width);
}

/**
*   Calculate the perimeter of a rectangle.
*
*	length: The length of the rectangle.
*   width: The width of the rectangle.
*
*	Return a number denoting the perimeter of a rectangle.
**/
function getPerimeter(length, width) {
return 2*(length + width);
}```