Recap - Sigma Function
Part of the Fundamentals section of Coddy's JavaScript journey — lesson 48 of 77.
Challenge
EasyWrite a function named sigma with one argument that represents the number n.
The function will return the sum of all the numbers from 1 to n (including).
For example, for sigma(5), the function will return 15, because 15 = 1 + 2 + 3 + 4 + 5.
Important! You don't need to call the function we do that for you behind the scenes in a function-type challenges.
Try it yourself
function sigma(n) {
// Write code here
}All lessons in Fundamentals
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