将多个复选框保存为一列

<input type="checkbox" name="option1" value="value1"> Option 1
<input type="checkbox" name="option2" value="value2"> Option 2
<input type="checkbox" name="option3" value="value3"> Option 3
<button onclick="saveSelections()">Save</button>

function saveSelections() {
  var checkboxes = document.querySelectorAll('input[type="checkbox"]');
  var selectedOptions = [];
  
  checkboxes.forEach(function(checkbox) {
    if (checkbox.checked) {
      selectedOptions.push(checkbox.value);
    }
  });
  
  // 将selectedOptions发送到后端进行处理或存储
}