Make Firefox's XML processing compatible with IE's node processing method. The specific codes are listed below.
The specific code is as follows.
<! DOCTYPE Html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
< TITLE > Make firefox's xml processing compatible with IE's selectSingleNode selectNodes method </ TITLE >
< META NAME ="Author" CONTENT ="emu" >
< META NAME ="KeyWords" CONTENT ="firefox IE selectSingleNode selectNodes" >
< META NAME ="Description" CONTENT ="Enable firefox to support the selectSingleNode selectNodes method" >
< SCRIPT LANGUAGE ="javascript" >
<!--
var isIE = !! document.all;
function parseXML(st){
if (isIE){
var result = new ActiveXObject( " microsoft.XMLDOM " );
result.loadXML(st);
} else {
var parser = new DOMParser();
var result = parser.parseFromString(st, " text/xml " );
}
return result;
}
if ( ! isIE){
var ex;
XMLDocument.prototype.__proto__.__defineGetter__( " xml " , function (){
try {
return new XMLSerializer().serializeToString( this );
} catch (ex){
var d = document.createElement( " div " );
d.appendChild( this .cloneNode( true ));
return d.innerHTML;
}
});
Element.prototype.__proto__.__defineGetter__( " xml " , function (){
try {
return new XMLSerializer().serializeToString( this );
} catch (ex){
var d = document.createElement( " div " );
d.appendChild( this .cloneNode( true ));
return d.innerHTML;
}
});
XMLDocument.prototype.__proto__.__defineGetter__( " text " , function (){
return this .firstChild.textContent
});
Element.prototype.__proto__.__defineGetter__( " text " , function (){
return this .textContent
});
XMLDocument.prototype.selectSingleNode = Element.prototype.selectSingleNode = function (XPath){
var x = this .selectNodes(xpath)
if ( ! x x.length < 1 ) return null ;
return x[0];
}
XMLDocument.prototype.selectNodes = Element.prototype.selectNodes = function (xpath){
var xpe = new XPathEvaluator();
var nsResolver = xpe.createNSResolver( this .ownerDocument == null ?
this .documentElement : this .ownerDocument.documentElement);
var result = xpe.evaluate(xpath, this, nsResolver, 0, null);
var found = [];
var res;
while (res = result.iterateNext())
found.push(res);
return found;
}
}
var x = parseXML( " <people> <person first-name= " eric " middle-initial= " H " last-name= " jung " > <address street= " 321 south st " city= " denver " state= " co " country= " usa " /> <address street= " 123 main st " city= " arlington " state= " ma " country= " usa " /> </person> <person first-name= " jed " last-name= " brown " > <address street= " 321 north st " city= " atlanta " state= " ga " country= " usa " /> <address street= " 123 west st " city= " seattle " state= " wa " country= " usa " /> <address street= " 321 south avenue " city= " denver " state= " co " country= " usa " /> </person></people> " );
alert( " Search all Person's last name (last-name) " )
var results = x.selectNodes( " //person/@last-name " );
for ( var i = 0 ; i < results.length;i ++ )
alert( " Person # " + i + " has the last name " + results[i].nodeValue);
alert( "Search for the second person" );
// IE uses 0 as the subscript base, not 1
if ( ! document.all)
results = x.selectSingleNode( " /people/person[2] " );
else
results = x.selectSingleNode( " /people/person[1] " );
alert(results.xml)
alert( "Get the person whose address is on donver street" );
results = x.selectNodes( " //person[address/@city='denver'] " );
for ( var i = 0 ; i < results.length;i ++ )alert(results[i].xml)
if ( ! document.all){
// Get all addresses with south in their street names
results = x.selectNodes( " //address[contains(@street, 'south')] " );
alert(results[ 0 ].xml);
} else {
alert( "IE does not support //address[contains(@street, 'south')] query method" )
}
// -->
</ SCRIPT >
</HEAD>
<BODY>
</BODY>
</ HTML >
Example quoted from http://kb.mozillazine.org/XPath . As you can see from the example, IE's support for xpath is still limited.