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Editorial Team
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Asked: 2026-05-20T10:11:55+00:00

I need to check if browser JavaScript is off, then display a error div

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I need to check if browser JavaScript is off, then display a error div instead of the body, how can I do this?

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1 Answer

  1. Editorial Team
    <html class="no-js">
    <head>
    <style>        
        .error,
        .no-js #container {
            display: none;
        }

        .no-js .error {
            display: block;
        }
    </style>

    <script>
        document.documentElement.className = document.documentElement.className.replace(/\bno-js\b/, '');
    </script>

    </head>
    <body>
        <div id="container">
            rest of page
        </div>
        <div class="error">
            sorry, no javascripty, no sitey!
        </div>
    </body>
</html>

    Of course, this is usually a bad idea, but I hope you’ve already considered that.

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