XML DOM insertBefore () method
Node objects Definition and Usage
insertBefore () method before the existing child node into a new child node.
This method returns the new child node.
grammar
insertBefore(newchild,refchild)
| 参数 | 描述 |
|---|---|
| newchild | 要插入的新节点。 |
| refchild | 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 before the last <book> node:
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"
Node objects