nodeName - nodeValue

html

<div id="container">
        <p>这是一个元素节点</p>
    </div>

js

<span style="font-size:18px;">var container = document.getElementById('container')
        console.log(container.nodeName + "/" +container.nodeValue)
        var attrNode = container.attributes[0]
        console.log(attrNode.nodeName + "" +attrNode.nodeValue)
        var textNode = container.childNodes[0]
        console.log(textNode.nodeName + "" +textNode.nodeValue)
        var commentNode = document.body.childNodes[1]
        console.log(commentNode.nodeName + "" +commentNode.nodeValue)
        console.log(document.doctype.nodeName + "" +document.doctype.nodeValue)
         var frag = document.createDocumentFragment()
        console.log(frag.nodeName + "" +frag.nodeValue)</span>