元素节点和属性节点,关于获得节点信息的属性
Elementnode:1属性node:2Textnode:3根据不同的情况，nodeName和nodeValue的值是不同的。这里是一个例子：1.Elementnode:12
3
区分nodeName和nod1。黑框就是元素节点。Inlayman的术语中，HTML标签可以称为元素节点。 2.redbox是heattribute(attr)节点，与element节点有父子关系。 3.蓝色框为文本节点，与元素节点相关。</p>
<p style="font-size:16px;color:#669900"> 元素节点：、、等都是元素节点，即标签。 2.文本节点：向用户显示的内容，如JavaScript、HTML/CSS、jQuery等文本。 3.Attributenode：元素属性，如labeltype="每个节点都有一个包含该节点的一些信息的属性。这些属性是：nodeName(节点名称)nodeValue(节点值)nodeType(节点类型)nodeTypenodeType属性返回节点的类型。最重要的节点类型</p>
<p style="font-size:16px;color:#6666CC">(#｀′)凸 1第一步假设我们的html结构是一本书，那么元素节点就是书本的每一页，文本节点就是书本每一页的文本，属性节点就是这些文本的颜色和字体。2步骤2举个例子。在旧的DOM规范中，属性继承自Node，这是一种特殊的节点。 0.attributes[0]实例节点</p>
<p style="font-size:16px;color:#CC00CC"> //真的</p>
<p style="font-size:16px;color:#CC3366">(＊?↓˙＊) (1)常用节点文档节点(document)：整个HTML文档文档对象以window对象的属性存在，可以直接使用。 Elementnode(Element):HTMLtaginHTML文档。 属性节点（Attribute）：元素的属性文本节点：包含在元素节点中。 属性节点：元素可以包含一些属性。属性的作用是给出元素更具体的描述，如id、name等。 在比较上述节点之间的差异之前，还需要</p>
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