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Asked: 2026-06-01T10:14:49+00:00

I have the following code; I want to make sure that submit does not

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I have the following code; I want to make sure that submit does not actually post to the page specified by action unless one of the two radio inputs has been selected. I have tried multiple variations of this and other code, and cannot seem to figure out whats wrong. Whether the radio buttons are selected or not it still posts to somepage.py.

<html>
    <head>
        <title>
            Test Page
        </title>
        <script language="JavaScript">
            function validate(formEntry) {

                if (formEntry.Q1.q11.checked != true && formEntry.Q1.q12.checked != true)
                    return false;

                return true;
            } 
        </script>
    </head>
    <body>
        <form action="somepage.py" method="POST" onsubmit="return validate(this);">
            <input type="radio" name="Q1" id="q11" value="1" />
            <input type="radio" name="Q1" id="q12" value="2" />
            <input type="submit" name="Submit" />
        </form>
    </body>
</html>
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1 Answer

  1. Editorial Team

    If you make one button checked by defualt, then one will always be checked:

    <input type="radio" name="Q1" id="q11" value="1" checked>
<input type="radio" name="Q1" id="q12" value="2" >

    Or the function can be simply:

    function validate(formEntry) {
    return formEntry.Q1[0].checked || formEntry.Q1[1].checked ;
}

    if either is checked it will return true, otherwise false.

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