遇到UncaughtTypeError: Cannot read property 'parentNode' of null问题怎么办
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<h1 align="center">单击图片切换</h1>
<p align="center"><img src="hat.png" id="image" onclick="change()"></p>
</body>
</html>
<script type="text/javascript">
function change(){
var oldImage = document.getElementById("hat");
var newImage = document.createElement("img");
newImage.setAttribute("src","rabbit.png");
var parent = oldImage.parentNode;//问题在这里
parent.insertBefore(newImage,oldImage);
parent.removeChild(oldImage);
}
</script>
