gistfile1.js

$.ajax({
    type: "POST",
    url: "/some/new/endpoint/to/get/data/from",
    data: {
        param1: 'value1',
        param2: 'value2'
    },
    success: function(response){
        console.log(response);
    },
    error: function(){
        console.log('handle the error here');
    }
});