estimatePi

function estimatePi(n) {
    let numPointCircle = 0;
    let numPointTotal = 0;

    for (let i = 0; i < n; i++) {
        const x = Math.round(Math.random())
        const y = Math.round(Math.random())

        let distance = x ** 2 + y ** 2;
        if (distance <= 1) {
            numPointCircle++;
        }
        numPointTotal++;
    }

    return 4 * numPointCircle / numPointTotal;
}