XML DOM insertBefore () method
Element object Definition and Usage
insertBefore () method before the existing child node into a new child node.
This method returns the new child node.
grammar
elementNode.insertBefore(new_node,existing_node)
| 参数 | 描述 |
|---|---|
| new_node | 必需。要插入的节点。 |
| existing_node | 必需。已有的节点。在该节点之前插入新节点。 |
Examples
The following code fragment uses loadXMLDoc () to " the Books.xml " into xmlDoc create a new <book> node and insert it into the final before a <book> element:
Examples
xmlDoc=loadXMLDoc("books.xml");
newNode=xmlDoc.createElement("book");
x=xmlDoc.documentElement;
y=xmlDoc.getElementsByTagName("book")[3];
x.insertBefore(newNode,y);
newNode=xmlDoc.createElement("book");
x=xmlDoc.documentElement;
y=xmlDoc.getElementsByTagName("book")[3];
x.insertBefore(newNode,y);
try it"
Element object