LearnStreet Javascript Lesson 6 Exercise 1

//sample solution

function sum(n) {
/**Complete the code below to return the sum of
    all the whole numbers from 1 to n. **/
    var sumSoFar = 0; //Keep track of the sum so far
 
    var currentNumber = 1;
    while (currentNumber<=n) {
        sumSoFar += currentNumber;
        currentNumber += 1;
    }
    return sumSoFar;
}
//test
sum(10);