getting a response from $.post

I'm calling an ajax page using $.post.

$.post("ajaxpage.php", $("#theform").serialize());

How can I echo the response that the page returned? I tried saving to a var, but it's not giving me the response.

var resp = $.post("ajaxpage.php", $("#theform").se开发者_C百科rialize());
console.log(resp);

$.post("ajaxpage.php", $("#theform").serialize(), function(data, status, xhr) {
    console.log(data);
});

http://api.jquery.com/jQuery.post/

$.post("ajaxpage.php", $("#theform").serialize(),function(data){
  $('#yourDivId').html(data);//data is what you recived from the server

});