if 文を switch文に書き換える

by yshrkn

JavaScript

function getMessage(score) {
  var message;
  if (score >= 80) {
    message = "合格";
  } else if (score >= 60) {
    message = "良";
  } else if (score >= 40) {
    message = "可";
  } else {
    message = "不可";
  }
  return message;
}


console.log(getMessage(90));
console.log(getMessage(0));