In this lab, you will learn how to declare a function, pass values to this function, and return values from the function.

In the JavaScript block, perform the following tasks:

Create a function named sum and pass the parameters a and b to it$.$

Create a variable c and store the sum of the parameters a and b in it$.$

Return the result, that is$,$ c$.$

Sample input:

Copy

sum$(60,40)$

Sample output:

Copy

$100$