File "colors.html"

Full Path: /home/analogde/www/TEST/chapter03/colors.html
File size: 1.61 KB
MIME-type: text/html
Charset: utf-8

 
Open Edit   Advanced Editor   Back 
<html>
  <head>

    <title>Using Ajax with XML</title>

    <script language = "javascript">

      var colors;

      var XMLHttpRequestObject = false; 

      if (window.XMLHttpRequest) {
        XMLHttpRequestObject = new XMLHttpRequest();
        XMLHttpRequestObject.overrideMimeType("text/xml");
      } else if (window.ActiveXObject) {
        XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
      }

      function getData(dataSource, divID)
      {
        if(XMLHttpRequestObject) {
          XMLHttpRequestObject.open("GET", dataSource); 
          var obj = document.getElementById(divID); 

          XMLHttpRequestObject.onreadystatechange = function() 
          { 
            if (XMLHttpRequestObject.readyState == 4 && 
              XMLHttpRequestObject.status == 200) { 
              var xmlDocument = XMLHttpRequestObject.responseXML;
              colors = xmlDocument.getElementsByTagName("color");
              obj.innerHTML = "Here are the fetched colors:<ul>";
              for (loopIndex = 0; loopIndex < colors.length; loopIndex++ )
              {
                 obj.innerHTML += "<li>" + colors[loopIndex].firstChild.data + "</li>";
              }
              obj.innerHTML += "</ul>";
            } 
          } 

          XMLHttpRequestObject.send(null); 
        }
      }

    </script>
  </head>

  <body>

    <h1>Using Ajax with XML</h1>

    <form>
      <input type = "button" value = "Fetch the Colors" 
        onclick = "getData('colors.xml', 'targetDiv')"> 
    </form>

    <div id="targetDiv" width =100 height=100>The list of colors will appear here.</div>

  </body>

</html>