How to use ajax (or any solution) to get data from meter server?

help
1

How to get data / document from meteor server from client event with ajax or (any solution) to get data from meteor without pub/sub.

2

Meteor methods: http://docs.meteor.com/#/full/meteor_methods

3

I want to get data from server like Meteor Reactive Methods:

Template.foo.helpers({
   methodResult: function () {
           return ReactiveMethod.call("myMethod", "a", "b");
  }
});

it works in helper, but I want in event.