Merge pull request #1984 from CodingTestStudy2/황은지

[황은지] Day07

Author: github-actions[bot]

leetcode3/황은지/1837. Sum of Digits in Base K.js

@@ -0,0 +1,9 @@
+/**
+ * @param {number} n
+ * @param {number} k
+ * @return {number}
+ */
+var sumBase = function(n, k) {
+    const changedNumStr=n.toString(k)
+    return changedNumStr.split('').reduce((acc,cur)=>acc+Number(cur),0);
+};