two some solution

Author: robinyoon-dev

two-sum/robinyoon-dev.js

@@ -0,0 +1,21 @@
+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number[]}
+ */
+var twoSum = function (nums, target) {
+    for (let i = 0; i < nums.length; i++) {
+        let remaindedNum = target - nums[i];
+        let matchedNum = nums.find((item) => remaindedNum === item);
+        let matchedNumIndex = nums.indexOf(matchedNum, i + 1);
+        // i와 matchedNumIndex 이 같은 숫자면 안 됨.
+        if (i === matchedNumIndex) {
+            continue;
+        } else if (matchedNumIndex === -1) {
+            continue;
+        }
+        else {
+            return [i, matchedNumIndex];
+        }
+    }
+};