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Editorial Team
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Asked: 2026-06-12T13:19:40+00:00

<html> <head> <title>Group Test</title> <script type=text/javascript src=/static/javascript/jquery-1.8.2.min.js></script> </head> <body> <script type=text/javascript> var global =

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<html>
<head>
    <title>Group Test</title>
    <script type="text/javascript" src="/static/javascript/jquery-1.8.2.min.js"></script>

</head>
<body>

    <script type="text/javascript">

    var global = new Array();
    $.ajax({
        url: "/json",
        success: function(reports){
            global = reports;
            process(reports);
            return global;
            }
        });


function process(reports){
    for (i=0; i<reports.length; i++) {
        document.write(i + " : "+reports[i].fields.report_name+"<br>");
        }
    }

    </script>

</body>
</html>

OK, so there is my code. I am trying to use the JSON data throughout my code, but for some reason, I get a “reports is undefined” error whenever I try to use the reports object outside of the $.ajax() function.

According to JSLint, the code looks good, AND
lists both the reports and the variable global as global variables.

If I try to run anything that uses either of those outside, it won’t work. 

'success'(reports)
global
global
line 22
process(reports)
global
document
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1 Answer

  1. Editorial Team

    You can not access reports as global object only global can be accessed from every place. reports is a local variable to success as well as for process function

    <script type="text/javascript">

    var global = new Array();
    $.ajax({
        url: "/json",
        success: function(reports){
            global = reports;
            process(reports);
            return global;
            }
        });


function process(reports){
    for (i=0; i<reports.length; i++) {
        document.write(i + " : "+reports[i].fields.report_name+"<br>");
        }
    }
        // reports is undefined here. but global can be accessed (will be empty array before success function get called)
    </script>
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