问每次单击“保存”时将所有内容设置为默认值的jQuery代码

EN

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
  $('#save').click(function() {
    $(".AlternativeContactFields").removeAttr("disabled");
    $(".AlternativeContactFields").each(function (index, element) {
      if ($(element).is("input")) {
        // read the type attribute.
        var type = $(element).attr('type');
        switch(type) {
          case 'checkbox':
          case 'radio':
            // uncheck box
            $(element).prop('checked', false);
            break;
          case 'text':
          default:
            $(element).val("");
            break;
        }  
      } else if ($(element).is("select")) {
        $(element).val(1);
      }
    });
  });
});
</script>
<input type="button" value="Save" id="save"/><br/>
<input disabled="disabled" type="checkbox" checked="checked" value="My checkbox 1" class="AlternativeContactFields"/>My checkbox 1<br/>
<input disabled="disabled" type="checkbox" value="My checkbox 2" class="AlternativeContactFields"/>My checkbox 2<br/>
<input disabled="disabled" type="text" value="My textbox value 1" class="AlternativeContactFields"/><br/>
<input disabled="disabled" type="text" value="My textbox value 2" class="AlternativeContactFields"/><br/>
<select disabled="disabled" class="AlternativeContactFields">
  <option value="0">my Option 0</option>
  <option value="1">my Option 1</option>
  <option value="2">my Option 2</option>
</select>