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JS method to dynamically read xml file content through ajax_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:07:481274browse

The example in this article describes how JS dynamically reads the content of xml files through ajax. Share it with everyone for your reference. The specific analysis is as follows:

The following JS code reads the note.xml file and fills in the relevant fields

HTML file code is as follows

<!DOCTYPE html>
<html>
<head>
<script>
function loadXMLDoc(url)
{
var xmlhttp;
if (window.XMLHttpRequest)
 {// code for IE7+, Firefox, Chrome, Opera, Safari
 xmlhttp=new XMLHttpRequest();
 }
else
 {// code for IE6, IE5
 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
 }
xmlhttp.onreadystatechange=function()
 {
 if (xmlhttp.readyState==4 && xmlhttp.status==200)
  {
  document.getElementById('A1').innerHTML=xmlhttp.status;
  document.getElementById('A2').innerHTML=xmlhttp.statusText;
  document.getElementById('A3').innerHTML=xmlhttp.responseText;
  }
 }
xmlhttp.open("GET",url,true);
xmlhttp.send();
}
</script>
</head>
<body>
<h2>Retrieve data from XML file</h2>
<p><b>Status:</b><span id="A1"></span></p>
<p><b>Status text:</b><span id="A2"></span></p>
<p><b>Response:</b><span id="A3"></span></p>
<button onclick="loadXMLDoc('note.xml')">Get XML data</button>
</body>
</html>

The content of the xml file is as follows

<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>

I hope this article will be helpful to everyone’s JavaScript programming design.

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