如何通过再次单击它来取消选中单选按钮

<input type="radio" name="exampleGroup" value="option1"> 选项 1
<input type="radio" name="exampleGroup" value="option2"> 选项 2
<input type="radio" name="exampleGroup" value="option3"> 选项 3
<button id="deselectBtn">取消选中</button>

document.getElementById("deselectBtn").addEventListener("click", function() {
  var radioButtons = document.getElementsByName("exampleGroup");
  for (var i = 0; i < radioButtons.length; i++) {
    radioButtons[i].checked = false;
  }
});