Supercharge your Diet

  const btn = document.querySelector("#clientBtn") as HTMLButtonElement;
  const weightInput = document.querySelector("#bodyWeight") as HTMLInputElement;
  const heightInput = document.querySelector("#bodyHeight") as HTMLInputElement;
  const result = document.getElementById("result") as HTMLDivElement | null;

  btn.addEventListener("click", () => {
    const weight = parseFloat(weightInput.value);
    const height = parseFloat(heightInput.value);

    if (isNaN(weight) || isNaN(height) || height <= 0) {
      result!.textContent = "⚠️ Please enter valid numbers.";
      return;
    }

    const bmi = weight / (height / 100) ** 2;
    result!.textContent = Your BMI is {bmi.toFixed(1)}
  });