如何在选择下拉列表后更改img内容

<select id="selectList">
  <option value="image1.jpg">Image 1</option>
  <option value="image2.jpg">Image 2</option>
  <option value="image3.jpg">Image 3</option>
</select>

<img id="image" src="image1.jpg" alt="Selected Image">

document.getElementById("selectList").addEventListener("change", changeImage);

function changeImage() {
  var selectedImage = document.getElementById("selectList").value;
  document.getElementById("image").src = selectedImage;
}