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The nearest related node access method for nodes in JavaScript _javascript tips

Source: Internet
Author: User
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Each node in the document is available in JavaScript

parentnode--parent Node

firstchild--first child node

lastchild--Last child node

previoussibling--next to the brother node of the front

nextsibling--next to the sibling node

Five related nodes, these nodes can not exist, are null. For example, document does not contain a parent node, and a text node (textnode) does not contain child nodes.

This allows for short trips to access some of the relevant nodes of the current node.

There are also childnode[] (including all child nodes) and children[] (only child nodes with type element nodes, and no text node Textnode) are included.

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