像按钮一样的ajax

How do i use ajax to make my like button functional.

<form>
<input type='submit' id='like>
</form>

See JQuery Ajax

Example:

$.ajax({
  method: "POST",
  url: "some.php",
  data: { id: "xyz" }
})
  .done(function( msg ) {
    alert( "Data Saved: " + msg );
  });