just a POST

$.post( "/endpoint/url/goes/here",
  {
    message: "this is an object full of data that you're POST'ing to the server",
    A: 69,
    S: true,
    L: "your dreams"
  },
  function( data ) {
    console.log("we're in the success callback! everything is fine!");
    console.log("here's what the server returned:", data);
});