Create XML in Javascript

Question

I m wondering  is it possible to create an XML file with some data in Javascript  I have the data stored in variables  I ve googled around a bit and it doesn t seem like it s talked about much  I thought i could use XMLWriter such as this  var XML   new XMLWriter    XML BeginNode   quot testing quot    XML Node  quot testingOne quot    XML Node  quot TestingTwo quot    XML Node  quot TestingThree quot    XML EndNode     as stated in this tutorial EHow Tutorial However  when i execute this code i get the following error  ReferenceError  XMLWriter is not defined  Any ideas on how i can get started with this  Thanks in advance

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this work for me          var xml    parser parseFromString   lt  xml version  1 0  encoding  utf-8   gt  lt root gt  lt  root gt     application xml      developer mozilla org en-US docs Web API DOMParser

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Only works in IE     function             var xml     lt  xml version  1 0   gt  lt foo gt  lt bar gt bar lt  bar gt  lt  foo gt              var xmlDoc new ActiveXObject  Microsoft XMLDOM            xmlDoc async  false           xmlDoc loadXML xml            alert xmlDoc xml              Then push xmlDoc xml to your java code

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Simply use  var xmlString     lt  xml version  1 0    gt  lt root   gt    var xml   jQuery parseXML xml     It s jQuery parseXML  so no need to worry about cross-browser tricks  Use jQuery as like HTML  it s using the native XML engine

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xml-writer npm package  I think this is the good way to create and write xml file easy  Also it can be used on server side with nodejs   var XMLWriter   require  xml-writer    xw   new XMLWriter  xw startDocument    xw startElement  root    xw writeAttribute  foo    value    xw text  Some content    xw endDocument    console log xw toString

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Disclaimer  The following answer assumes that you are using the JavaScript environment of a web browser   JavaScript handles XML with  XML DOM objects   You can obtain such an object in three ways   1  Creating a new XML DOM object  var xmlDoc   document implementation createDocument null   books      The first argument can contain the namespace URI of the document to be created  if the document belongs to one   Source  https   developer mozilla org en-US docs Web API DOMImplementation createDocument  2  Fetching an XML file with XMLHttpRequest  var xhttp   new XMLHttpRequest    xhttp onreadystatechange   function     if  xhttp readyState    4  amp  amp  xhttp status    200         var xmlDoc   xhttp responseXML    important to use responseXML here   xhttp open  GET    books xml   true   xhttp send      3  Parsing a string containing serialized XML  var xmlString     lt root gt  lt  root gt    var parser   new DOMParser    var xmlDoc   parser parseFromString xmlString   text xml      important to use  text xml      When you have obtained an XML DOM object  you can use methods to manipulate it like  var node   xmlDoc createElement  heyHo    var elements   xmlDoc getElementsByTagName  root    elements 0  appendChild node     For a full reference  see http   www w3schools com xml dom intro asp  Note  It is important  that you don t use the methods provided by the document namespace  i  e   var node   document createElement  Item      This will create HTML nodes instead of XML nodes and will result in a node with lower-case tag names  XML tag names are case-sensitive in contrast to HTML tag names   You can serialize XML DOM objects like this   var serializer   new XMLSerializer    var xmlString   serializer serializeToString xmlDoc

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Consider that we need to create the following XML document    lt  xml version  1 0   gt   lt people gt     lt person first-name  eric  middle-initial  H  last-name  jung  gt       lt address street  321 south st  city  denver  state  co  country  usa   gt       lt address street  123 main st  city  arlington  state  ma  country  usa   gt     lt  person gt      lt person first-name  jed  last-name  brown  gt       lt address street  321 north st  city  atlanta  state  ga  country  usa   gt       lt address street  123 west st  city  seattle  state  wa  country  usa   gt       lt address street  321 south avenue  city  denver  state  co  country  usa   gt     lt  person gt   lt  people gt    we can write the following code to generate the above XML  var doc   document implementation createDocument         null   var peopleElem   doc createElement  people     var personElem1   doc createElement  person    personElem1 setAttribute  first-name    eric    personElem1 setAttribute  middle-initial    h    personElem1 setAttribute  last-name    jung     var addressElem1   doc createElement  address    addressElem1 setAttribute  street    321 south st    addressElem1 setAttribute  city    denver    addressElem1 setAttribute  state    co    addressElem1 setAttribute  country    usa    personElem1 appendChild addressElem1    var addressElem2   doc createElement  address    addressElem2 setAttribute  street    123 main st    addressElem2 setAttribute  city    arlington    addressElem2 setAttribute  state    ma    addressElem2 setAttribute  country    usa    personElem1 appendChild addressElem2    var personElem2   doc createElement  person    personElem2 setAttribute  first-name    jed    personElem2 setAttribute  last-name    brown     var addressElem3   doc createElement  address    addressElem3 setAttribute  street    321 north st    addressElem3 setAttribute  city    atlanta    addressElem3 setAttribute  state    ga    addressElem3 setAttribute  country    usa    personElem2 appendChild addressElem3    var addressElem4   doc createElement  address    addressElem4 setAttribute  street    123 west st    addressElem4 setAttribute  city    seattle    addressElem4 setAttribute  state    wa    addressElem4 setAttribute  country    usa    personElem2 appendChild addressElem4    var addressElem5   doc createElement  address    addressElem5 setAttribute  street    321 south avenue    addressElem5 setAttribute  city    denver    addressElem5 setAttribute  state    co    addressElem5 setAttribute  country    usa    personElem2 appendChild addressElem5    peopleElem appendChild personElem1   peopleElem appendChild personElem2   doc appendChild peopleElem     If any text need to be written between a tag we can use innerHTML property to achieve it   Example  elem   doc createElement  Gender   elem innerHTML    Male  parent elem appendChild elem    For more details please follow the below link  The above example has been explained there in more details   https   developer mozilla org en-US docs Web API Document object model How to create a DOM tree

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Your code is referencing this library  You can include it  and then your code in question should run as is  If you want to do this without prepending the library  amp  build it with builtin functions only - follow answer from  Seb3736   In Browser Example   lt html gt   lt head gt       lt script src  Global js  language  javascript  gt  lt  script gt       lt script src  XMLWriter js  language  javascript  gt  lt  script gt       lt script language  javascript  type  text javascript  gt          function genXML                var XML   new XMLWriter                XML BeginNode   testing                XML Node  testingOne                XML Node  TestingTwo                XML Node  TestingThree                XML EndNode                  Do something    eg              console log XML ToString     Yes ToString   not toString                  lt  script gt   lt  head gt   lt body gt       lt input type  submit  value  genXML  onclick  genXML     gt   lt  body gt   lt  html gt

[javascript] Create XML in Javascript

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