Arrow Function

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript Arrow Function</h2>

<p>This example shows that if you have only one parameter in an Arrow Function, you can skip the parentheses.</p>

<p id="demo"></p>

<script>
var hello;

hello = val => "Hello " + val;

document.getElementById("demo").innerHTML = hello("Universe!");
</script>

</body>
</html>

JavaScript Arrow Function

This example shows that if you have only one parameter in an Arrow Function, you can skip the parentheses.