为什么这里不能通过getAttribute()方法获取nodeName属性值？

Question

数据分析师 · Answer

Why can’t the nodeName attribute value be obtained through the getAttribute() method here? -PHP Chinese website Q&A-Why can't the nodeName attribute value be obtained through the getAttribute() method here? -PHP Chinese website Q&A

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巴扎黑 · Answer

getAttribute()方法只能获取元素中已存在属性的属性值，而nodeName是每一个节点自带的静态属性而不是我们自己定义的属性，所以不能使用getAttribute()方法获取nodeName属性值

例如：

这是一个p标签

我们可以使用getAttribute()方法获取class、id、width、height等属性的属性值，但不可以使用getAttribute()方法获取nodeName属性值，因为我们没用写一个className属性

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