My first javascript file on xml. - 王朝网络宽屏版

<!DOCTYPE Html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

<HEAD>

<TITLE> Practice on XML operation </TITLE>

</HEAD>

</BODY>

</HTML>

function addNewNode()

{

var strNode = "<book>";

strNode = strNode + "<code>F5678</code>";

strNode = strNode + "</book>";

var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");

xmlDoc.async="false";

if(!xmlDoc.loadXML(strNode))

{

document.write("FAIL TO BUILD AN XML FILE");

}

else

{

document.write("original xml file:");

document.write("<xmp>" + xmlDoc.xml + "</xmp>");

//Add price node

var objNewNode = xmlDoc.createElement("price");

xmlDoc.documentElement.appendChild(objNewNode);

//Add the text of price node

var objNewText = xmlDoc.createTextNode("345");

var objNode = xmlDoc.documentElement.getElementsByTagName("price").item(0);

objNode.appendChild(objNewText);

document.write("price node with text:");

document.write("<xmp>"+xmlDoc.xml+"</xmp>");

//Add author node

var objPosNode = xmlDoc.documentElement.firstChild;

objNewNode = xmlDoc.createElement("author");

objNewText = xmlDoc.createTextNode("Calvin");

objNewNode.appendChild(objNewText);

xmlDoc.documentElement.insertBefore(objNewNode,objPosNode);

document.write("author is added: ");

document.write("<xmp>" + xmlDoc.xml + "</xmp>");

//Add attribute into code node

objNode = xmlDoc.getElementsByTagName("code");

objNode.item(0).setAttribute("sales","Y");

document.write("code's attribute is added: ");

document.write("<xmp>" + xmlDoc.xml + "</xmp>");

//Remove author node

var root = xmlDoc.documentElement;

var objDelNode = root.removeChild(root.getElementsByTagName("author").item(0));

document.write("author node is deleted");

document.write("<xmp>" + xmlDoc.xml + "</xmp>");

//Remove the attribute of code node

objNode = root.getElementsByTagName("code").item(0);

objNode.removeAttribute("sales");

document.write("sales attribute of code node is removed:");

document.write("<xmp>" + xmlDoc.xml + "</xmp>");

}

</script>