text: 
  const EaseOutBounce = x => {
      const n1 = 7.5625;
      const d1 = 2.75;
  
      if (x < 1 / d1) {
          return n1 * x * x;
      } else if (x < 2 / d1) {
          return n1 * (x -= 1.5 / d1) * x + 0.75;
      } else if (x < 2.5 / d1) {
          return n1 * (x -= 2.25 / d1) * x + 0.9375;
      } else {
          return n1 * (x -= 2.625 / d1) * x + 0.984375;
      }
  }
  
  const EaseInOutBounce = x => {
      return x < 0.5
        ? 1-(1 - EaseOutBounce(1 - 2 * x)) / 2
        : (1 + EaseOutBounce(2 * x - 1)) / 2;
  }
  
  const EaseOutElastic = x => {
      return 1 - Math.sqrt(1 - Math.pow(x, 2));
  }
      
  
  module.exports = {
      EaseOutBounce,
      EaseInOutBounce,
      EaseOutElastic
  }