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Home/ Questions/Q 6047121
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Editorial Team
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Editorial Team
Asked: May 23, 20262026-05-23T07:18:59+00:00 2026-05-23T07:18:59+00:00

function changeDay(monthSelect){ dayVal = day.selected.value; //secili ayi al optVal = monthSelect.selected.value; if(optVal==’Şubat’ && dayVal

  • 0
    function changeDay(monthSelect){
    dayVal = day.selected.value;
    //secili ayi al
    optVal = monthSelect.selected.value;
    if(optVal=='Şubat' && dayVal > 29){
        modifyDay(29);
    }
}

I get this error message for the line dayVal = day.selected.value:

Uncaught TypeError: Cannot read property ‘value’ of undefined

how can i reach the selected option’s value?

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  1. Editorial Team
    Editorial Team
    2026-05-23T07:18:59+00:00Added an answer on May 23, 2026 at 7:18 am

    The simplest way to get the value:

    day.value
    

    And it works in all browsers, even IE 6

    demo: http://jsfiddle.net/roberkules/8xwhG/

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