topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

talk show tell print

basic-ajax-05-ch5-examp2.htm / htm



  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  <html xmlns="http://www.w3.org/1999/xhtml">
  <head>
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
  
      <title>Checking Courses</title>
  
      <script language = "javascript">
        function getDoc()
        {         
  
        if (window.XMLHttpRequest) {
            request = new XMLHttpRequest();
         } 
             else if (window.ActiveXObject) {
            request = new ActiveXObject("Microsoft.XMLHTTP");
          }
              if (request.overrideMimeType) {         
                    request.overrideMimeType("text/xml");
                  }
  
          if(request) {
            request.open("GET", "classes.xml", true); 
  
            request.onreadystatechange = function() 
                    
            { 
              if ((request.readyState == 4) && (request.status == 200)) { 
              var xmlDocument = request.responseXML;
                          findClass(xmlDocument);
              }
             
            } 
                    request.send(null); 
            } 
                    
        }
            
            function findClass(doc) {
            
            var titleNode = doc.getElementsByTagName('title');
            for (i=0; i<titleNode.length; i++) {
              var title = titleNode[i];
              var titleValue = title.firstChild.nodeValue;
            
              var myEl = document.createElement('p');
              var newText = titleValue + " is the name of a course in the Computer Science department.";
          var myTx = document.createTextNode(newText);
          myEl.appendChild(myTx);
          var course = document.getElementById('title');
          course.appendChild(myEl);
            
              var creditStatus = doc.getElementsByTagName('credits');
              var creditAttr = creditStatus[i].attributes;
              var reqAttr = creditAttr.getNamedItem('req');
              var reqVal = reqAttr.nodeValue;
            
                if (reqVal == 'yes') {
                  var addlText = " This is a required course.";
                  var addlText2 = document.createTextNode(addlText);
                  myEl.appendChild(addlText2);
                }
            
            }
            }
            
        
      </script>
  
    </head>
  
   <body>
  
      <h1>Checking courses</h1>
      <form>
        <input type = "button" id="reqDoc" value = "Check courses"> 
      </form>
  <script type="text/javascript">
  var myDoc = document.getElementById('reqDoc');
  myDoc.onclick = getDoc;
  </script>
  <div id="title"></div>
  </body>
  </html>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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