03. 2D Rectangle Area - JavaScript

function RectangleArea2D(input) {
    let x1 = Number(input.shift());
    let y1 = Number(input.shift());
    let x2 = Number(input.shift());
    let y2 = Number(input.shift());

    let length = Math.abs(x1 - x2);
    let widht = Math.abs(y1 - y2);

    let area = length * widht;
    let perimeter = 2 * (length + widht)


    console.log(area.toFixed(2));
    console.log(perimeter.toFixed(2));

}