ASDV-WebDev/Semester 1/Chapter ZIPs/JavaScript/ch7/ex_7_2.html

34 lines
847 B
HTML

<html>
<head>
<title>Example 7.2</title>
<script>
function quotient(x,y)
{
illegal = "Illegal division operation";
if (y != 0)
return x/y;
else
return illegal;
}
function clickIt()
{
var divTop = parseFloat(prompt("Enter the divisor:"));
var divBottom = parseFloat(prompt("Enter the dividend:"));
document.getElementById('division').innerHTML = (divTop + " divided by " + divBottom);
var division;
division = quotient(divTop, divBottom);
if (isNaN(division))
division = "illegal division operation";
else
division = division.toFixed(2);
document.getElementById('result').innerHTML = division;
}
</script>
</head>
<body>
<input type ="button" onclick="clickIt()" value = "Enter a division problem"></button>
<h2><span id = "division">&nbsp;</span></h2>
<h2>The result is: <span id = "result">&nbsp;</span></h2>
</body>
</html>