​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>Element 对象</h1>
​
<h2>nodeType 属性</h2>
​
<p>元素之间的空格被视为文本节点。</p>
<!-- 这里是我的注释..  -->
<div>注释被认为是注释节点。</div>
​
<p>body 元素的子节点的节点类型是：</p>
<p id="demo"></p>
​
<script>
const nodes = document.body.childNodes;
let text = "";
for (let i = 0; i < nodes.length; i++) {
  text += nodes[i].nodeType + " " + nodes[i].nodeName + "<br>";
}
document.getElementById("demo").innerHTML = text;
</script>
​
</body>
</html>
​