Write a JavaScript program to convert temperatures to and from celsius, Fahrenheit [Formula: c/5 = f-32/9 [ where c = temperature in celsius and f = temperature in Fahrenheit ]
Expected Output :
60°C is 140 °F
45°F is 7.222222222222222°C
<html>
<head>
<script language="javascript">
function calculate()
{
var c = document.form1.celcius.value;
var f = document.form1.farenheit.value;
var resultF;
var resultC;
var result="";
if(c!="")
{
resultF = c * 9 / 5 + 32;
result = c+'\xB0C is ' + resultF + ' \xB0F.';
}
if(f!="")
{
resultC = (f - 32) * 5 / 9;
result += '\n' + f +'\xB0F is ' + resultC + '\xB0C.';
}
alert(result);
}
</script>
</head>
<body>
<form name="form1">
Celcius: <input type="text" name="celcius" /><br />
Farenheit: <input type="text" name="farenheit" /><br />
<input type="button" onclick="calculate()" value="calculate" />
</form>
</body>
</html>