两段demo代码如下(for ie only)： <script type="text/javascript"> //demo1 var xmlDoc = new ActiveXObject("Msxml2.DOMDocument"); var root; var CDATASection; xmlDoc.async = false; xmlDoc.loadXML("<a/>"); root = xmlDoc.documentElement; CDATASection = xmlDoc.createCDATASection("Hello World!"); root.appendChild(CDATASection); b=xmlDoc.createElement("Test") b.text="hahahahaha" root.appendChild(b); alert(root.xml); for(i =0;i<root.childNodes.length;i++) { if(root.childNodes[i].nodeType==4) alert(root.childNodes[i].nodeValue) } </script> <script type="text/javascript"> //demo2 var xmlDoc = new ActiveXObject("Msxml2.DOMDocument"); xmlDoc.async = false; xmlDoc.loadXML("<a><![CDATA[aaaaaaaaaaaaaaaaaaaaa]]></a>"); root = xmlDoc.documentElement; for(i =0;i<root.childNodes.length;i++) { if(root.childNodes[i].nodeType==4) alert(root.childNodes[i].nodeValue) } </script> //demo3( for firefox) <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > < HTML > < HEAD > < TITLE > 使firefox对xml的处理兼容IE的selectSingleNode selectNodes方法 </ TITLE > < META NAME ="Author" CONTENT ="emu" > < META NAME ="Keywords" CONTENT ="firefox IE selectSingleNode selectNodes" > < META NAME ="Description" CONTENT ="使firefox可以支持selectSingleNode selectNodes方法" > < 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( " 搜索所有人的姓氏（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( " 搜索第二个人 " ); // IE是以0为下标基数的，而不是1 if ( ! document.all) results = x.selectSingleNode( " /people/person[2] " ); else results = x.selectSingleNode( " /people/person[1] " ); alert(results.xml) alert( " 获得住址在donver街上的人 " ); results = x.selectNodes( " //person[address/@city='denver'] " ); for ( var i = 0 ; i < results.length;i ++ )alert(results[i].xml) if ( ! document.all){ // 获得所有街名中带south的地址 results = x.selectNodes( " //address[contains(@street, 'south')] " ); alert(results[ 0 ].xml); } else { alert( " IE不支持 //address[contains(@street, 'south')] 这种查询方式 " ) } // --> </ SCRIPT > </ HEAD > < BODY > </ BODY > </ HTML > //demo4( cross brower) http://kb.mozillazine.org/XPath

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