Created
October 23, 2017 17:36
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Code Challenge
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| //Challenge #1 >Write a function sum_even(a) that sums up the even numbers in the list(array) | |
| function sum_even(a) { | |
| b = []; | |
| for (var i = 0; i < a.length; ++i) { | |
| if ((a[i] % 2) === 0) { | |
| b.push(a[i]); //gives us the array for even nums | |
| } | |
| } | |
| //adding the even nums | |
| return b.reduce((a,b) => a+b, 0); | |
| } | |
| console.log(sum_even([10, 5, 6, 1])); | |
| //--------------------------------------------------------------------------------------------------------------- | |
| //Challenge #2 > Write a function super_sum(a) that sums up all the digits that make up the numbers in the array. | |
| function super_sum(a){ | |
| var digitSums = a.map(function(a) { | |
| return Array.prototype.slice.call(a.toString()).map(Number).reduce(function(b, c) { | |
| return b + c; // gets each individual digit | |
| }); | |
| }); | |
| //adding the all the numbers in the array together | |
| return digitSums.reduce((a,b) => a+b, 0); | |
| } | |
| console.log(super_sum([120, 13, 45])); | |
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