问Javascript可以禁用/启用按钮，但不能禁用单选按钮或文本区域

EN

<div data-role="main" class="ui-content" id="MainBody">
  <ul id="topBtns">
    <li id="reportedLabel">
      <label id="reportedLabel">
        <input type="checkbox" id="reported" class="hidden" onchange="document.getElementById('1a').disabled = this.checked;document.getElementById('1b').disabled = this.checked;document.getElementById('comment1').disabled = this.checked;document.getElementById('photo1').disabled = this.checked;">
        Already reported
      </label>
    </li>
    <li id="back">
      <button id="back" data-icon="arrow-l">
        Check 0
      </button>
    </li>
  </ul>
  <br>
  <h2 class="checkNum">Check #1</h2>
  <p class="check">Some Text</p>
  <label><input type="radio" id="1a" name="1">Answer1</label>
  <label><input type="radio" id="1b" name="1">Answer2</label>
  <br>
  <textarea rows="4" placeholder="Type your comments here" id="comment1"></textarea>
  <br>
  <button id="photo1" onclick="insert_photo()">
    Insert Photo
  </button>
  <button id="btnCont1" onClick="location.href='index.html#Q2'">Continue</button>
</div> <!-- Main -->