var heightInput = document.querySelector(".height-input-field");
      var weightInput = document.querySelector(".weight-input-field");
      var calculateButton = document.querySelector(".calculate");
      var result = document.querySelector(".result");
      var statement = document.querySelector(".result-statement");
      var BMI, height, weight;

      calculateButton.addEventListener("click", () => {

        height = heightInput.value;
        weight = weightInput.value;
        BMI = weight / (height ** 2);
        result.innerText = BMI;

        if (BMI <18.5) {
          statement.innerText = "Your BMI falls within the underweight range";
        } else if ((BMI > 18.5) && (BMI <24.9)) {
          statement.innerText = "Your BMI falls within the normal or healthy weight range";
        } else if ((BMI > 25) && (BMI <29.9)) {
          statement.innerText = "Your BMI falls within the overweight range";
        } else {
          statement.innerText = "Your BMI falls within the obese range";
        }
      });