Ajax Call using jsonp for calling rest webservice from other domain - html

Question

How I use the jsonp when call to rest webservice from different domain.becouse my simple json does not working for rest webservice.how can i call rest webservice for ajax call.i use both jsonp and javascript for that.server responce i seen on only browser in firebug but how to show it on my application
my JS code.
function callService() {
$.ajax({
type: varType, //GET or POST or PUT or DELETE verb
url: varUrl, // Location of the service
data: varData, //Data sent to server
crossDomain: true,
cache: false,
async: false,
contentType: varContentType, // content type sent to server
dataType: varDataType, //Expected data format from server
processdata: varProcessData, //True or False
success: function (msg) {//On Successfull service call
alert("Server Responce Successfully!..");
},
error: function (msg) {
alert('error ' + msg.d);
}
});
}
function countryProvinceWCFJSONMulti() {
var head = document.getElementsByTagName('head')[0];
script = document.createElement('script');
script.type = 'JSON';
script.src = "http://192.168.15.213/myservice/Service.svc/GetEvents";
script.type = "text/javascript";
head.appendChild(script);
varType = "GET";
varData = '{"username": "' + "Suhasusername" + '","password": "' + "suhaspassword" + '"}';
varContentType = "application/JSONP; charset=utf-8";
varDataType = "JSONP";
varProcessData = true;
callService();
}

Answer 1

If the same-origin policy isn't an issue, your code should look something like this:
$.ajax({ url: url,
dataType: 'jsonp',
contentType: 'application/json',
success: function (data) {
alert("Server Response Successful!..");
}
});
Here is a question that talks about circumventing the same-origin policy