JSFiddle - React, Tailwind, and code Playground

JavaScript

function OddSquare(n) {
    var result = 0;
    for (var i = 0; i < n; i++) {
         result += n;  
    }
    return result;
}

alert(OddSquare(0));
alert(OddSquare(1));
alert(OddSquare(2));
alert(OddSquare(3));
alert(OddSquare(4));
alert(OddSquare(5));
alert(OddSquare(6));
alert(OddSquare(7));
alert(OddSquare(8));
alert(OddSquare(9));
alert(OddSquare(10));