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What is a ternary operator (?:) in JavaScript?
The conditional operator or ternary 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.
| S.No | Operator & Description |
|---|---|
| 1 | ? : (Conditional ) If Condition is true? Then value X: Otherwise value Y |
Example
You can try to run the following code to understand how Ternary Operator works in JavaScript
<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>
</body>
</html>
Updated on: 07-Jan-2020
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