challenge11.js

// 11 - Bouncing Ball  | https://www.codewars.com/kata/5a40c250c5e284a76400008c
const bouncingBall = (initial, proportion) => {
  let totalBounces = 0;
  while (initial > 1) {
    totalBounces++;
    initial *= proportion;
  }
  return totalBounces;
}

console.log(bouncingBall(2, 0.5));   // 1
console.log(bouncingBall(4, 0.5));   // 2
console.log(bouncingBall(10, 0.1));   // 1
console.log(bouncingBall(100, 0.1));   // 2
console.log(bouncingBall(9, 0.3));   // 2
console.log(bouncingBall(30, 0.3));   // 3