operation between numbers

function operationBetweenNumbers(input) {
    let n1 = Number(input.shift());
    let n2 = Number(input.shift());
    let operation = input.shift();
    let result;
    switch (operation) {
        case "+":
            result = n1 + n2;
            if (result % 2 == 0) {
                console.log(n1 + " + " + n2 + " = " + result + " - even");
            } else {
                console.log(n1 + " + " + n2 + " = " + result + " - odd");
            };
            break;
        case "-":
            result = n1 - n2;
            if (result % 2 == 0) {
                console.log(n1 + " - " + n2 + " = " + result + " - even");
            } else {
                console.log(n1 + " - " + n2 + " = " + result + " - odd");
            };
            break;
        case "*":
            result = n1 * n2;
            if (result % 2 == 0) {
                console.log(n1 + " * " + n2 + " = " + result + " - even");
            } else {
                console.log(n1 + " * " + n2 + " = " + result + " - odd");
            }
            break;
        case "/":
            if (n2 != 0) {
                result = n1 / n2;
                console.log(n1 + " / " + n2 + " = " + result.toFixed(2));
            } else {
                console.log(`Cannot divide ${n1} by zero`);
            }
            break;
        case "%":
            if (n2 != 0) {
                result = n1 % n2;
                console.log(n1 + " % " + n2 + " = " + result);
            } else {
                console.log(`Cannot divide ${n1} by zero`);
            };
            break;
    }
}
operationBetweenNumbers([10, 0, "%"]);