how we can call methods which are used in called function

sravanthi thota

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 <script>

function muloperator()

{

 var val1 = parseInt(document.getElementById("txt1").value);

        var val2 = parseInt(document.getElementById("txt2").value); 

       var ans=document.getElementById("demo")
 
}
 
  sum()

 {

      ans.value = val1+ val2;

}

minus()

{

ans.value = val1 - val2;

}

mul()

{

ans.value = val1+ val2;

}

div()

{

ans.value = val1+ val2;

}

    </script>

<body>

<fieldset>

<form>

    <input type="text" id="txt1" name="text1">

    <input type="text" id="txt2" name="text2">

<input type="button" value="+" name="submit"><input type="button" value="-" name="submit">

<input type="button" value="*" name="submit">

<input type="button" value="/" name="submit">

<input type="text" id="demo" name="demo" onclick="muloperator()"/>

Dormilich

your functions don't make sense. from a sum() function anyone would expect that you pass in two values and get back their sum.

next, assigning the result is obviously not the responsibility of a calculation function.

and then there is the issue that the buttons do nothing at all.

how we can call methods which are used in called function

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