Jquery Ajax CORS

$.ajax({
    type: "post",
    url: "http://localhost:49786/WebService1.asmx/HelloWorld2",
    success: function (data, textStatus) {
        console.log(data);
        console.log(textStatus)
    },
    error: function (xhr, ajaxOptions, thrownError) {
        console.log("Error");
        console.log(xhr);
        console.log(ajaxOptions);
        console.log(thrownError);
    }
})