# What is spread Operator (...) in JavaScript?

JavascriptWeb DevelopmentFront End Technology

With Spread Operator, allow the expression to expand to multiple arguments, elements, variables, etc.

## Example

You can try to run the following code to learn how to work with spread operator −

<html>
<body>
<script>
var a, b, c,d, e, f, g;
a = [10,20];
b = "rank";
c = [30,"points"];
d = "run"

// concat method.
e = a.concat(b, c, d);

</html>