# What is increment (++) operator in JavaScript?

The increment operator increases an integer value by one. Here’s an example where the value of a is incremented twice using the increment operator twice

## Example

Live Demo

<html>
<body>
<script>
var a = 33;
a = ++a;
document.write("++a = ");
result = ++a;
document.write(result);
</script>
</body>
</html>