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Editorial Team
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Asked: 2026-06-03T03:19:02+00:00

I need to dynamically assign the name of a function to an element of

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I need to dynamically assign the name of a function to an element of an associative array. This is my attempt which does not work. The problem I am asking for help with is here where I try to call the function: cr['cmd1'](x);

<!DOCTYPE html>

<html>
<head>
    <script type="text/javascript">
        var cr =[];
        var x = 5;
        cr['cmd1'] ='foo';
        var msg = cr['cmd1'](x);  
        alert(msg);

        function foo(y){
            return y;
        }
    </script>
</head>
<body>
</body>
</html>

Edit: I being passed a string here cr['cmd1'] ='foo'; that I cannot control. That is why I have to work with a string as a starting point from an external application.

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1 Answer

  1. Editorial Team

    Access the functions using this syntax window[function_name]('para1');

    Your usage will be something like this

    var msg = window[cr['cmd1']](x);
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