Mega Code Archive
Examples of Increment and Decrement Operators
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<html>
<head>
<title>JavaScript Unleashed</title>
</head>
<body>
<script type="text/javaScript">
<!--
var i = 0;
var result = 0
document.write("If i = 0, ");
document.write("i returns the value of i");
document.write(" after incrementing : ");
// Increment prefix
result = ++i;
document.write(result);
i = 0;
document.write("<br>i++ returns the value of i");
document.write(" before incrementing : ");
// Increment suffix
result = i++;
document.write(result);
i = 0;
document.write("<br>--i returns the value of i");
document.write(" after decrementing : ");
// Decrement prefix
result = --i;
document.write(result)
i = 0;
document.write("<br>i-- returns the value of i");
document.write(" before decrementing : ");
// Decrement suffix
result = i--;
document.write(result);
// -->
</script>
</body>
</html>
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