diff --git a/Maths/TwoSum.js b/Maths/TwoSum.js
new file mode 100644
index 0000000000..8aaaea9d14
--- /dev/null
+++ b/Maths/TwoSum.js
@@ -0,0 +1,24 @@
+/**
+ * Given an array of integers, find two numbers that add up to a specific target.
+ *
+ * @param {number[]} nums - The array of integers.
+ * @param {number} target - The target sum.
+ * @returns {number[]} - An array containing the indices of the two numbers.
+ *
+ * @example
+ * const nums = [2, 7, 11, 15];
+ * const target = 9;
+ * const result = twoSum(nums, target);
+ * // The function should return [0, 1] because nums[0] + nums[1] = 2 + 7 = 9.
+ */
+
+const TwoSum = (nums, target) => {
+ const numIndicesMap = new Map()
+ for (let i = 0; i < nums.length; i++) {
+ const complement = target - nums[i]
+ if (numIndicesMap.has(complement)) return [numIndicesMap.get(complement), i]
+ numIndicesMap.set(nums[i], i)
+ }
+ return []
+}
+export { TwoSum }
diff --git a/Maths/test/TwoSum.test.js b/Maths/test/TwoSum.test.js
new file mode 100644
index 0000000000..851f180a98
--- /dev/null
+++ b/Maths/test/TwoSum.test.js
@@ -0,0 +1,28 @@
+import { TwoSum } from '../TwoSum.js'
+describe('Two Sum', () => {
+ const testCasesWithoutSolution = [
+ [[8], 8],
+ [[3, 3, 3, 3], 19]
+ ]
+ const testCasesWithSolution = [
+ [[2, 7, 11, 15], 9, [0, 1]],
+ [[15, 2, 11, 7], 13, [1, 2]],
+ [[2, 7, 11, 15], 17, [0, 3]],
+ [[7, 15, 11, 2], 18, [0, 2]],
+ [[2, 7, 11, 15], 26, [2, 3]]
+ ]
+
+ test.each(testCasesWithoutSolution)(
+ 'Should return an empty array if there is no solution',
+ (nums, target) => {
+ expect(TwoSum(nums, target)).toEqual([])
+ }
+ )
+
+ test.each(testCasesWithSolution)(
+ 'Should return the indices of two numbers that add up to the target',
+ (nums, target, expected) => {
+ expect(TwoSum(nums, target)).toEqual(expected)
+ }
+ )
+})
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