HTML5 FormData API Ajax Usage Issues

HTML5 FormData API Ajax Usage Issues
Dear friends, look at the following code:

    
 
 
    HTML5 Ajax Test

The code in my test_post.php is:

 
 Print_r ($_post);
?>

After entering data normally in my form, click Submit, why my:


Does not show the data in the test_post.php, solve Ah!
------Solution--------------------
The tenth line is wrong, new FormData is not a parameter, then append the data with the generated object
------Solution--------------------

should be for
return _send (); " >
_send should return false
Or
Button "Value=" Ajax Sends "onclick=" _send (); " >

