How to convert ajax retrieved object to string in jquery

Question

I'm looking to make an object containing latitudes and longitudes of various places such as [["Second Event",19.0554748,72.8497017],["Demo Event",19.2097381,72.8737017]].

I'm successful of making this in php by using json_encode() function. How do I retrieve it in the callback function. I've tried the following:

$.post('maps1.php',{},function(data){
    alert(data);
    markers=JSON.stringify(data);
},"json");
alert(markers);

However this doesn't seems to work. What should I do?

Can you explain "this doesn't seems to work"? Are you getting any errors? — Ravi Y
– Ravi Y, Commented Dec 18, 2012 at 6:08
possible duplicate of How to return the response from an AJAX call? — JAAulde
– JAAulde, Commented May 30, 2014 at 14:38

PhearOfRayne · Accepted Answer · 2012-12-18 05:52:43Z

3

You have the scope for the variable markers inside the post method, try doing it like this:

var markers = '';

$.post('maps1.php', {}, function (data) {
    alert(data);
    markers = JSON.stringify(data);
}, "json");

alert(markers)

answered Dec 18, 2012 at 5:52

PhearOfRayne

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6 Comments

PhearOfRayne Over a year ago

@user1911914 Are you getting the alert for the data to appear?

PhearOfRayne Over a year ago

@user1911914 To make sure your browser supports JSON parsing you can visit caniuse.com/json

ashish Over a year ago

the browser does support json...and im not getting the alert

PhearOfRayne Over a year ago

@user1911914 If your not getting the alert, you need to start there. I'd recommend using Chromes inspector and opening the network tab to see if your getting a ny errors.

ashish Over a year ago

Its difficult to monitor using firebug since Im working on google maps api which takes a lot of data..

|

Jai · Accepted Answer · 2012-12-18 06:35:14Z

0

$.ajax should do this way:

     var marker;
     $.ajax({
        url:'maps1.php',
        data:{},
        type:'POST',
        dataType:'json',
        success:function(data){
            alert(data);
            marker = JSON.stringify(data);
        },
        complete:{
            alert(marker);
        }
   });

and $.POST should be like this:

   $.post('maps1.php',{},function(data){
       alert(data);
   },"json").done(function(data){
       markers=JSON.stringify(data);
       alert(markers);
   });

but i prefer to use $.ajax()

edited Dec 18, 2012 at 6:35

answered Dec 18, 2012 at 6:09

Jai

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Comments

Mariusz Jamro · Accepted Answer · 2015-01-07 11:04:34Z

0

ajax string syntax below:

 var marker;
 $.ajax({
    url:'maps1.php',
    data:{},
    type:'POST',
    dataType:'json',
    success:function(data){
        alert(data);
        marker = JSON.stringify(data);
    },
    complete:{
        alert(marker);
    }
});

edited Jan 7, 2015 at 11:04

Mariusz Jamro

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answered Jan 7, 2015 at 10:37

gokul

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