Mastering ServiceNow Scripting

Client-side AJAX

The client side of the AJAX call needs to set up the AJAX call and pass the relevant parameters to the server side. Once a response is received from the server, we can use the returned value or values to decide what changes to make. Let's have a look at how the client side of the AJAX call works:

var ajaxCall = new GlideAjax('serverAjax');
ajaxCall.addParam('sysparm_name','getUserLocation');
ajaxCall.addParam('sysparm_user_id', g_form.getValue('caller_id'));
ajaxCall.getXML(ajaxResponse);

function ajaxResponse(response) {
   var answer = response.responseXML.documentElement.getAttribute("answer");
   alert(answer);
}

The preceding example covers the calling of the AJAX call and the return function, based on the results ...