javascript - 如果用开关替换其他链:退货后无法到达

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function chainToSwitch(val) {
  var answer = "";
  // Only change code below this line
  switch (val) {
    case "bob":
      answer = "Marley";
      break;
    case 42:
      answer = "The answer";
      break;
    case 1:
      answer = "There is no #1";
      break;
    case 99:
      answer = "Missed me by this much!";
      break;
    case 7:
      answer = "Ate Nine";
      break;
    default:
      answer = "not correct";
  }
}

  // Only change code above this line
  return answer;


// Change this value to test
chainToSwitch(7);

我仍然不明白为什么它无法实现。我正在上FreeCodeCamp课程，而我仍然坚持这一课程。我什至进入了源代码中寻找答案，但它仍然对我不起作用。

最佳答案

您需要在函数内移动return语句。

function chainToSwitch(val) {
  var answer = "";
  // Only change code below this line
  switch (val) {
    case "bob":
      answer = "Marley";
      break;
    case 42:
      answer = "The answer";
      break;
    case 1:
      answer = "There is no #1";
      break;
    case 99:
      answer = "Missed me by this much!";
      break;
    case 7:
      answer = "Ate Nine";
      break;
    default:
      answer = "not correct";
  }
  return answer;
}

console.log(chainToSwitch(7));