TypeScript

function isItFridayYet(today: string): boolean {
    const theDay = today.toLowerCase().trim();

    if (theDay === "monday") {
        return false;
    } else if (theDay === "tuesday") {
        return false;
    } else if (theDay === "wednesday") {
        return false;
    } else if (theDay === "thursday") {
        return false;
    } else if (theDay === "friday") {