ParentNode, childNodes, and children in javascript

Source: Internet
Author: User
This article introduces the application of parentNode, childNodes, and children in javascript. If you need it, you can refer to it for help. "ParentNode"

It is often used to obtain the parent node of an element. parentNodes is understood as a container and has subnodes in the container.


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In the code above, you can see that "dad" is used as a p container, and there is a "child" in this container, which is the text section in bold. if you want to use the getElementById () method to obtain the bold element and want to know who it is, the returned information will be a p. demonstrate the following script and you will know what is going on...


The Code is as follows:

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