The Atomic object of JavaScript is an object and which provides atomic operations such as add, sub, and, or, xor, load, store etc. as static methods, these methods are used with SharedArrayBuffer objects.
The add() function of this object accepts a number and the position, adds the given number to the number in the given position and returns the value of the number in the old position.
Syntax
Its syntax is as follows
Atomics.add()
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var arrayBuffer = new SharedArrayBuffer(16);
var data = new Uint8Array(arrayBuffer);
data[0] = 3;
document.write(Atomics.add(data, 0, 3));
document.write(", "+Atomics.load(data, 0));
</script>
</body>
</html>Output
3, 6