diff --git a/javascript/1588-sum-of-all-odd-length-subarrays.js b/javascript/1588-sum-of-all-odd-length-subarrays.js
new file mode 100644
index 000000000..6c47dd70b
--- /dev/null
+++ b/javascript/1588-sum-of-all-odd-length-subarrays.js
@@ -0,0 +1,12 @@
+/**
+ * @param {number[]} arr
+ * @return {number}
+ */
+var sumOddLengthSubarrays = function (arr) {
+    let sum = 0, len = arr.length;
+    for (let i = 0; i < arr.length; i++) {
+        let total = i * (len - i) + (len - i);
+        sum += Math.ceil(total / 2) * arr[i];
+    }
+    return sum;
+};
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