$post is not a function code example

Example 1: $post in jquery

$(function(){
    $('#myForm').on('submit', function(e){
      e.preventDefault();
      $.post('http://www.somewhere.com/path/to/post', 
         $('#myForm').serialize(), 
         function(data, status, xhr){
           // do something here with response;
         });
    });
});

Example 2: jquery post

$.post( "test.php", { name: "John", time: "2pm" } );