2．2．6  hasChildNodes

Provides a fast way to determine whether a node has children

判断是否含有子节点

返回值为bool值

三．例子

var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.3.0");

xmlDoc.async = false;

xmlDoc.load("test\\test1.xml");

if (xmlDoc.parseError.errorCode!=0)

{

var error = xmlDoc.parseError;

  alert(error.reason)

return;

}

var root = xmlDoc.documentElement;   //根节点

Form1.test1.value = root.xml;