diff --git a/src/bubbleSort.js b/src/bubbleSort.js
new file mode 100644
index 000000000..2c8d251a9
--- /dev/null
+++ b/src/bubbleSort.js
@@ -0,0 +1,27 @@
+// Optimized Bubble Sort in JavaScript
+
+function bubbleSort(arr) {
+  let n = arr.length;
+  let swapped;
+
+  for (let i = 0; i < n - 1; i++) {
+    swapped = false;
+
+    for (let j = 0; j < n - i - 1; j++) {
+      if (arr[j] > arr[j + 1]) {
+        // swap
+        [arr[j], arr[j + 1]] = [arr[j + 1], arr[j]];
+        swapped = true;
+      }
+    }
+
+    // If no two elements were swapped, array is sorted
+    if (!swapped) break;
+  }
+
+  return arr;
+}
+
+// Example usage
+const numbers = [5, 2, 9, 1, 5, 6];
+console.log('Sorted:', bubbleSort(numbers)); // [1,2,5,5,6,9]