【前端_js】ajax的应用

function makeRequest() {
    alert("inside makeRequest()");
    var settings = {
        type: "GET",url:URL+"?"+REQUEST,dataType:"xml",error: function(XHR,textStatus,errorThrown) {
            alert ("XHR="+XHR+"ntextStatus="+textStatus+"nerrorThrown=" + errorThrown);
        },success: function(data,textStatus) {
            $("body").append(data);
        },headers: {
            "Access-Control-Allow-Origin":"http://example.edu","Access-Control-Allow-Headers":"X-Requested-With"
        }
    };
    $.ajax(settings);
}