- Easy peasy

_001_twoSum.js

@@ -0,0 +1,17 @@
+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number[]}
+ */
+var twoSum = function(nums, target) {
+    for (const index    = 0; index < nums.length; index++) {
+        const remainder = target - nums[index];
+        const jindex    = nums.indexOf(remainder);
+
+        if (jindex != -1 && jindex !== index) { 
+            return [index, jindex];
+        }
+    }
+
+    return null; 
+};