how to send post data in the js in browser code example

Example 1: jquery post

$.post( "test.php", { name: "John", time: "2pm" })
  .done(function( data ) {
    alert( "Data Loaded: " + data );
  });

Example 2: post jquery

$.post( "ajax/test.html", function( data ) {
  $( ".result" ).html( data );
});