Implementation like Facebook no refresh Ajax update

  This article mainly introduces the implementation of similar Facebook without refreshing Ajax updates that need friends to refer to under

  Code as follows: <script type= "Text/javascript" >  $ (document). Ready (function ()   {    $ ('. Edit_ Link '). Click (function ()   {  $ ('. Text_wrapper '). Hide ();  var data=$ ('. Text_wrapper '). HTML ();  $ ( '. Edit '). Show ();  $ ('. EditBox '), HTML (data);  $ ('. EditBox '). focus (); });    $ (". EditBox"). MouseUp (function ()   {  return false });    $ (". EditBox"). Change (function ()   {  $ (' . Edit '). Hide ();  var boxval = $ (". EditBox"). Val ();  var datastring = ' data= ' + boxval;  $.ajax ({  type : "POST",  URL: "update_profile_ajax.php",  data:datastring,  cache:false,  success:function ( HTML)   {  $ ('. Text_wrapper '). HTML (boxval);  $ ('. Text_wrapper '). Show ();   } });   });    $ (document). MouseUp (function ()   {  $ ('. Edit '). Hide ();  $ ('. Text_wrapper '). Show (); });   });  </script>  <sTyle type= "Text/css" >  body  {  font-family:arial, Helvetica, sans-serif;    font-size :12px; }  .mainbox  {  width:250px;  margin:50px; }  .text_wrapper  {  Border:solid 1px #0099CC;  padding:5px;  width:187px;       }  .edit_link  {& nbsp float:right }  .editbox  {  overflow:hidden; height:61px;border:solid 1px #0099CC; width:190px; fo Nt-size:12px;font-family:arial, Helvetica, Sans-serif; padding:5px }  </style>  <div class= "Mainbox" >  <a href= "#" class= "Edit_link" Title= "Edit" >Edit</a>  <?php  include ("db.php");  $sql =mysql_query ("Select email from Users where user_id= ' 1 ');  $row =mysql_fetch_array ($sql);  $profile = $row [' Email ']; ?>  < Div class= "Text_wrapper" style= "><?php echo $profile;?></div>    <div class=" edit "style= "DisplaY:none "><textarea class=" EditBox "cols=" rows= "3" name= "Profile_box" ></textarea></div>   </div>    update_profile_ajax.php    code as follows: <?php    if ($_post[' data ')   {  $data =$_post[' data '];  $data = mysql_escape_string ($data);  $sql = "Update users set email=" $dat A ' where user_id= ' 1 ' ";  mysql_query ($sql); } ?>