asp.net javascript -在更改下拉选择时更改标签文本

<select id="mySelect" onchange="changeLabelText()">
  <option value="option1">选项1</option>
  <option value="option2">选项2</option>
  <option value="option3">选项3</option>
</select>

<label id="myLabel">默认文本</label>

function changeLabelText() {
  var selectElement = document.getElementById("mySelect");
  var labelElement = document.getElementById("myLabel");
  
  var selectedValue = selectElement.value;
  
  // 根据选择的值更新标签文本
  if (selectedValue === "option1") {
    labelElement.innerHTML = "选项1被选择";
  } else if (selectedValue === "option2") {
    labelElement.innerHTML = "选项2被选择";
  } else if (selectedValue === "option3") {
    labelElement.innerHTML = "选项3被选择";
  }
}