代码示例:(标识:jsck_node_nodename_2)
<!DOCTYPE html>
<html>
<body>

<h1>Element 对象</h1>

<h2>nodeName 属性</h2>

<p>body 元素的节点名称是:</p>
<p id="demo"></p>

<script>
let text = document.body.nodeName;
document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>
运行结果: