fitness.js

// script.js
function getRecommendations() {
  const ageInput = document.getElementById("ageInput");
  const age = parseInt(ageInput.value);

  //   if (isNaN(age) || age < 0) {
  //     document.getElementById("recommendations").textContent =
  //       "Please enter a valid age.";
  //   }
  let recommendations = "";
  if (age < 14) {
    recommendations = "Please enter valid age !!";
  } else {
    if (age >= 14 && age <= 20) {
      recommendations =
        "Engage in 60 minutes or more of moderate-to-vigorous intensity physical activity daily. Participate in a variety of enjoyable physical activities, including sports, dancing, and strength training.";
    } else if (age >= 21 && age <= 28) {
      recommendations =
        "Aim for at least 150 minutes per week of moderate-intensity activity, such as brisk walking. Incorporate activities that strengthen muscles at least 2 days a week.";
    } else if (age >= 29 && age <= 37) {
      recommendations =
        "Continue with at least 150 minutes per week of moderate-intensity aerobic activity. Include muscle-strengthening exercises on 2 or more days per week.";
    } else if (age >= 38 && age <= 45) {
      recommendations =
        "Maintain at least 150 minutes per week of moderate-intensity aerobic activity. Focus on muscle-strengthening exercises to maintain overall fitness.";
    } else if (age >= 46 && age <= 55) {
      recommendations =
        "Aim for at least 150 minutes per week of moderate-intensity aerobic activity (e.g., brisk walking). Include muscle-strengthening exercises on 2 or more days per week.";
    } else if (age >= 56 && age <= 61) {
      recommendations =
        "Continue with at least 150 minutes per week of moderate-intensity aerobic activity. Engage in muscle-strengthening exercises regularly.";
    } else if (age >= 62) {
      recommendations =
        "Maintain at least 150 minutes per week of moderate-intensity aerobic activity (e.g., brisk walking). Include muscle-strengthening exercises on 2 or more days per week.";
    }
    document.getElementById("recommendations").textContent = recommendations;
  }
}