diff --git a/README.md b/README.md
index 2bf93af3..c7a13e34 100644
--- a/README.md
+++ b/README.md
@@ -514,7 +514,7 @@ LeetCode
 |51|[N-Queens](https://leetcode.com/problems/n-queens/)| [C++](./algorithms/cpp/nQueens/nQueuens.cpp)|Hard|
 |50|["Pow(x, n)"](https://leetcode.com/problems/powx-n/)| [C++](./algorithms/cpp/pow/pow.cpp), [Java](./algorithms/java/src/powXn/PowXn.java)|Medium|
 |49|[Group Anagrams](https://leetcode.com/problems/anagrams/)| [C++](./algorithms/cpp/anagrams/GroupAnagrams.cpp)|Medium|
-|48|[Rotate Image](https://leetcode.com/problems/rotate-image/)| [C++](./algorithms/cpp/rotateImage/rotateImage.cpp), [Java](./algorithms/java/src/RotateImage/rotateImage.java)|Medium|
+|48|[Rotate Image](https://leetcode.com/problems/rotate-image/)| [C++](./algorithms/cpp/rotateImage/rotateImage.cpp), [Java](./algorithms/java/src/RotateImage/rotateImage.java), [Javascript](./algorithms/javascript/rotateImage/rotateImage.js)|Medium|
 |47|[Permutations II](https://leetcode.com/problems/permutations-ii/)| [C++](./algorithms/cpp/permutations/permutations.II.cpp)|Hard|
 |46|[Permutations](https://leetcode.com/problems/permutations/)| [C++](./algorithms/cpp/permutations/permutations.cpp)|Medium|
 |45|[Jump Game II](https://leetcode.com/problems/jump-game-ii/)| [C++](./algorithms/cpp/jumpGame/jumpGame.II.cpp)|Hard|
diff --git a/algorithms/javascript/rotateImage/rotateImage.js b/algorithms/javascript/rotateImage/rotateImage.js
new file mode 100644
index 00000000..7754e343
--- /dev/null
+++ b/algorithms/javascript/rotateImage/rotateImage.js
@@ -0,0 +1,21 @@
+/**
+ * @param {number[][]} matrix
+ * @return {void} Do not return anything, modify matrix in-place instead.
+ */
+var rotate = function(matrix) {
+    const n = matrix.length;
+    const depth = ~~(n / 2);
+
+    for (let i = 0; i < depth; i++) {
+        const innerLimit = n - 1 - 2 * i;
+        const opp = n - i - 1;
+        for (let j = 0; j < innerLimit; j++) {
+            const temp = matrix[i][i + j];
+            matrix[i][i + j] = matrix[opp - j][i];
+            matrix[opp - j][i] = matrix[opp][opp - j];
+            matrix[opp][opp - j] = matrix[i + j][opp];
+            matrix[i + j][opp] = temp;
+        }
+    }
+    return matrix;
+};
\ No newline at end of file