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JQuery-AJAX- Basic help

Posted on 2011-09-10
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Last Modified: 2012-05-12
Trying to convert ajax calls over to Jquery.  Right now just in experiment mode for learning reasons.


Wanted I'm trying to do is transform the code below to accept returned JSON data and iterate through it (just alert functionality for now).  The click function belongs to an image.  The PHP page returns JSON data.

Or is there a better way in jquery for ajax calls that return JSON data?


                  $('#ok').click(function() {

                              $.ajax({
                                      type: "get",
                                      url: "agents_lookup.php",
                                      data: "term=a",
                                      success: function(msg){
                                          alert(msg );
                                      }
                                    });
                  
                  
                  });
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Question by:carsRST
4 Comments
 
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by:gurvinder372
gurvinder372 earned 164 total points
ID: 36516471
0
 
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Assisted Solution

by:leakim971
leakim971 earned 168 total points
ID: 36516496
You may use this shortcut : http://api.jquery.com/jQuery.getJSON/

$('#ok').click(function() {
           $.getJSON(
                 "agents_lookup.php",
                 {"term":"a"},
                  function(msg){
                      alert(msg ); // if agents_lookup.php return a JSON object you will alert an [object Object] here, if it return a JSON string your will see it
                  }
           );
});
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LVL 82

Accepted Solution

by:
hielo earned 168 total points
ID: 36516681
>>I'm trying to do is transform the code below to accept returned JSON data and iterate through it
Then just add the 'dataType':'json' to your options and internally jquery will convert the result into a javascript obect. Then you can iterate through it using "for - in":

$('#ok').click(function() {
     $.ajax({
          type: "get",
          url: "agents_lookup.php",
          data: "term=a",
          dataType:'json',
          success: function(msg){
               //alert(msg );
               for( var k in msg ){
                    alert( k + "=" + msg[k] );
               }
          }
     });
});

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Author Closing Comment

by:carsRST
ID: 36516944
You guys are great.  

Thanks for the help!
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