Write a javascript program to make a simple calculator
Answer Posted / rehan
<html>
<head><title>Calculator</title>
<script language="javascript">
var inputstring=" "
function updatestring(value)
{
inputstring += value;
document.calculator.input.value=inputstring;
}
</script>
</head>
<body background=flow-yellow.jpg>
<form name="calculator">
<table border=5 bordercolor=pink bgcolor="#ffffcc"><tr ><td>
<input type="text" name="input" maxlength=15 size=27><br />
<input type="button" value=" clear " onclick="input.value=' ';inputstring=' ' ">
<input type="button" value=" mod " onclick="updatestring('%')">
<input type="button" value=" * " onclick="updatestring('*')"><br />
<input type="button" value=" 7 " onclick="updatestring('7')">
<input type="button" value=" 8 " onclick="updatestring('8')">
<input type="button" value=" 9 " onclick="updatestring('9')">
<input type="button" value=" / " onclick="updatestring('/')"><br />
<input type="button" value=" 4 " onclick="updatestring('4')">
<input type="button" value=" 5 " onclick="updatestring('5')">
<input type="button" value=" 6 " onclick="updatestring('6')">
<input type="button" value=" - " onclick="updatestring('-')"><br />
<input type="button" value=" 1 " onclick="updatestring('1')">
<input type="button" value=" 2 " onclick="updatestring('2')">
<input type="button" value=" 3 " onclick="updatestring('3')">
<input type="button" value=" + " onclick="updatestring('+')"><br />
<input type="button" value=" 0 " onclick="updatestring('0')">
<input type="button" value=" 00 " onclick="updatestring('00')">
<input type="button" value=" . " onclick="updatestring('.')">
<input type="button" value=" = " onclick="input.value=eval(inputstring);">
</td></tr>
</table>
</form>
</body>
</html>
Is This Answer Correct ? | 32 Yes | 13 No |
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