Home > Article > Backend Development > FireFox's processing of XML is compatible with IE's node processing method
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 > 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 >
As you can see from the example, IE's support for xpath is still limited.
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