The conditional operator first evaluates an expression for a true or false value and then executes one of the two given statements depending upon the result of the evaluation.
| Sr.No | Operator and Description |
|---|---|
| 1 | ? : (Conditional ) If Condition is true? Then value X: Otherwise value Y |
Example
Try the following code to understand how the Conditional Operator works in JavaScript:
Live Demo
<html>
<body>
<script>
<!--
var a = 10;
var b = 20;
var linebreak = "<br />";
document.write ("((a > b) ? 100 : 200) => ");
result = (a > b) ? 100 : 200;
document.write(result);
document.write(linebreak);
document.write ("((a < b) ? 100 : 200) => ");
result = (a < b) ? 100 : 200;
document.write(result);
document.write(linebreak);
//-->
</script>
<p>Set the variables to different values and different operators and then try...</p>
</body>
</html>