The Bitwise NOT (~) Operator performs NOT operation on the bits. You can try to run the following code to learn how to work with JavaScript Bitwise NOT Operator.
Example
<!DOCTYPE html>
<html>
<body>
<script>
document.write("Bitwise NOT Operator<br>");
// 7 = 00000000000000000000000000000111
document.write(~7);
</script>
</body>
</html>