Add array sum problem for JS language

koutianqi · Oct 21, 2018 · 1530174 · 1530174
1 parent 9bde9de
commit 1530174
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/problems/array-sum/array-sum.js b/problems/array-sum/array-sum.js
@@ -0,0 +1,15 @@
+function arraySum(arr) {
+ let sum = 0;
+ const slicedArray = arr.slice();
+ const dimension = 3;
+ let flatArray = slicedArray.reduce((acc, val) => acc.concat(val), []);
+
+ for (let i = 0; i < dimension; i++) {
+ flatArray = flatArray.reduce((acc, val) => acc.concat(val), []);
+ }
+
+ flatArray.forEach((element) => sum += element)
+ return sum;
+}
+
+console.log(arraySum([1, 2, [3, 4, [5]]]));