Accessing a variable that's outside of a script

1000 Views Asked by NateHill At 19 April 2025 at 10:09

I have the following code but can't access 'myVariable' from within the script -- I assume because it's a function and 'myVariable' needs to be a global variable. How does one create a global variable?

(Note: this is a .cshtml file in a ASP.NET MVC project in Visual Studio)

<!DOCTYPE html>
<html>
<head>
</head>
<body>

    @{var myVariable = "this is what I want to access and change later in the script";}

<div class="navbar navbar-inverse navbar-fixed-top">
    <div class="container">
        <div class="navbar-header">
  ...
        </div>
    </div>
</div>

<script>
    $('[name="optradio1"]').on('change', function () {
        $('#accordion-second').slideToggle();
        $('#accordion-first').slideToggle();
        alert(myVariable);
    })
</script>
</body>
</html>

Original Q&A

There are 2 best solutions below

Tim Vermaelen On 26 December 2014 at 02:09 BEST ANSWER

You can use data-attributes:

<script id="myScript" data-myvar="@myVariable">
    $('[name="optradio1"]').on('change', function () {
        $('#accordion-second').slideToggle();
        $('#accordion-first').slideToggle();
        alert($('#myScript').data('myvar'));
    });
</script>

Usually put on the HTML content tags because you normally have some unique identifier already or class, but you can do it on script tags as well.

Aravindan On 26 December 2014 at 06:19

Please change which is as alert(myVariable);

instead of using that please use the below code.

       var val = parseInt('@myVariable') + 5;
        alert(val);

Try this one.

Accessing a variable that's outside of a script

There are 2 best solutions below

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