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Quick Review:Ajax
 
Ajax Examples

request = new XMLHttpRequest();
} else{
request = new ActiveXObject(“Microsoft.XMLHTTP”);
}
request.open(“Get”,url,true);
request.onreadystatechange = handleResponse;
request.send(null);
}
function handleResponse( ){
if(request.readyState == 4){
if(request.status == 200){
if(window.XMLHttpRequest){
nonMSPopulate();
} else{
msPopulate();
}
}
}
}
function nonMSPopulate( ){
var response = request.responseText;
var parser = new DOMParser();
var dom = parser.parseFromString(response,”text/xml”);
binVal = dom.getElementsByTagName(“binary”);
var binary = document.getElementById(“binary”);
binary.value = binVal[0].childNodes[0].nodeValue;
octVal = dom.getElementsByTagName(“octal”);
var octal = document.getElementById(“octal”);
octal.value = octVal[0].childNodes[0].nodeValue;
decVal = dom.getElementsByTagName(“decimal”);
var decimal = document.getElementById(“decimal”);
decimal.value = decVal[0].childNodes[0].nodeValue;
hexVal = dom.getElementsByTagName(“hexadecimal”);
var hexadecimal = document.getElementById(“hexadecimal”);
hexadecimal.value = hexVal[0].childNodes[0].nodeValue;
}
function msPopulate( ){
var response = request.responseText;
var xmlDoc = new ActiveXObject(“Microsoft.XMLDOM”);
xmlDoc.async = “false”;

Apr 2008 | Java Jazz Up | 31
 
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