Javascript: Example of Addition, subtraction,multiply and divide in HTML

Example of javascript in HTML programming


<!DOCTYPE html>

<html>

<head>
<script type="text/javascript">
function add()
{
fst=parseInt(myform.fst.value);
snd=parseInt(myform.snd.value);
result=fst+snd;
myform.result.value=result;
}
function subtract()
{
fst=parseInt(myform.fst.value);
snd=parseInt(myform.snd.value);
result=fst-snd;
myform.result.value=result;
}

function multiply()
{
fst=parseInt(myform.fst.value);
snd=parseInt(myform.snd.value);
result=fst*snd;
myform.result.value=result;
}
function dive()
{
fst=parseInt(myform.fst.value);
snd=parseInt(myform.snd.value);
result=fst/snd;
myform.result.value=result;
}
</script>
 </head>

<body>
 <Form name="myform">
<Table><tr>
<Td>Input 1st number
<Input type ="number" name="fst"><br><br></td>
<Td>Input 2nd number
<Input type ="number" name=snd><br><br></td>
<Td><Input type="button" value="addition" onclick="add()"></Td>
</Tr>

<Tr><td colspan="1"></td><td><br>
Output
<Input type="number" name="result"><br><br><br></td>
<Td><Input type="button" value="Subtraction" onclick="subtract()">
</Td></tr>
<Tr><td colspan="1">
<Td>
<Input type="button" value="Divide" onclick="dive()"></td>
<Td>
<Input type="button" value="Multiply" onclick="multiply()"></td>
</Tr>
</body>
 /html>



Output.  

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