diff --git a/solution/1000-1099/1094.Car Pooling/README.md b/solution/1000-1099/1094.Car Pooling/README.md
index 9c1bea85327b6..38d363528fccd 100644
--- a/solution/1000-1099/1094.Car Pooling/README.md	
+++ b/solution/1000-1099/1094.Car Pooling/README.md	
@@ -64,6 +64,8 @@
 
 <!-- 这里可写通用的实现逻辑 -->
 
+差分数组
+
 <!-- tabs:start -->
 
 ### **Python3**
@@ -82,6 +84,32 @@
 
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[][]} trips
+ * @param {number} capacity
+ * @return {boolean}
+ */
+ var carPooling = function(trips, capacity) {
+    let delta = new Array();
+    for (let trip of trips) {
+        let [num, start, end] = trip;
+        delta[start] = (delta[start] || 0) + num;
+        delta[end] = (delta[end] || 0) - num;
+    }
+    let total = 0;
+    for (let i = 0; i < delta.length; i++) {
+        let cur = delta[i];
+        if (cur == undefined) continue;
+        total += cur;
+        if (total > capacity) return false;
+    }
+    return true;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/1000-1099/1094.Car Pooling/README_EN.md b/solution/1000-1099/1094.Car Pooling/README_EN.md
index ef656df14c12a..647d4b48b163e 100644
--- a/solution/1000-1099/1094.Car Pooling/README_EN.md	
+++ b/solution/1000-1099/1094.Car Pooling/README_EN.md	
@@ -82,6 +82,32 @@
 
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[][]} trips
+ * @param {number} capacity
+ * @return {boolean}
+ */
+ var carPooling = function(trips, capacity) {
+    let delta = new Array();
+    for (let trip of trips) {
+        let [num, start, end] = trip;
+        delta[start] = (delta[start] || 0) + num;
+        delta[end] = (delta[end] || 0) - num;
+    }
+    let total = 0;
+    for (let i = 0; i < delta.length; i++) {
+        let cur = delta[i];
+        if (cur == undefined) continue;
+        total += cur;
+        if (total > capacity) return false;
+    }
+    return true;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/1000-1099/1094.Car Pooling/Solution.js b/solution/1000-1099/1094.Car Pooling/Solution.js
new file mode 100644
index 0000000000000..de45137be2266
--- /dev/null
+++ b/solution/1000-1099/1094.Car Pooling/Solution.js	
@@ -0,0 +1,21 @@
+/**
+ * @param {number[][]} trips
+ * @param {number} capacity
+ * @return {boolean}
+ */
+ var carPooling = function(trips, capacity) {
+    let delta = new Array();
+    for (let trip of trips) {
+        let [num, start, end] = trip;
+        delta[start] = (delta[start] || 0) + num;
+        delta[end] = (delta[end] || 0) - num;
+    }
+    let total = 0;
+    for (let i = 0; i < delta.length; i++) {
+        let cur = delta[i];
+        if (cur == undefined) continue;
+        total += cur;
+        if (total > capacity) return false;
+    }
+    return true;
+};
\ No newline at end of file
diff --git a/solution/1100-1199/1109.Corporate Flight Bookings/README.md b/solution/1100-1199/1109.Corporate Flight Bookings/README.md
index 4c3813f8b0173..158ed8d4e30f4 100644
--- a/solution/1100-1199/1109.Corporate Flight Bookings/README.md	
+++ b/solution/1100-1199/1109.Corporate Flight Bookings/README.md	
@@ -76,6 +76,31 @@
 
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[][]} bookings
+ * @param {number} n
+ * @return {number[]}
+ */
+var corpFlightBookings = function(bookings, n) {
+    let delta = new Array(n).fill(0);
+    for (let book of bookings) {
+        let [start, end, num] = book;
+        start -= 1;
+        delta[start] += num;
+        if (end != n) {
+            delta[end] -= num;
+        }
+    }
+    for (let i = 1; i < n; i++) {
+        delta[i] += delta[i - 1];
+    }
+    return delta;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/1100-1199/1109.Corporate Flight Bookings/README_EN.md b/solution/1100-1199/1109.Corporate Flight Bookings/README_EN.md
index 86041a638c1d9..4b10ec8bddbcf 100644
--- a/solution/1100-1199/1109.Corporate Flight Bookings/README_EN.md	
+++ b/solution/1100-1199/1109.Corporate Flight Bookings/README_EN.md	
@@ -67,6 +67,31 @@ Hence, answer = [10,25]
 
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[][]} bookings
+ * @param {number} n
+ * @return {number[]}
+ */
+var corpFlightBookings = function(bookings, n) {
+    let delta = new Array(n).fill(0);
+    for (let book of bookings) {
+        let [start, end, num] = book;
+        start -= 1;
+        delta[start] += num;
+        if (end != n) {
+            delta[end] -= num;
+        }
+    }
+    for (let i = 1; i < n; i++) {
+        delta[i] += delta[i - 1];
+    }
+    return delta;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/1100-1199/1109.Corporate Flight Bookings/Solution.js b/solution/1100-1199/1109.Corporate Flight Bookings/Solution.js
new file mode 100644
index 0000000000000..60c6f8efa00e5
--- /dev/null
+++ b/solution/1100-1199/1109.Corporate Flight Bookings/Solution.js	
@@ -0,0 +1,20 @@
+/**
+ * @param {number[][]} bookings
+ * @param {number} n
+ * @return {number[]}
+ */
+ var corpFlightBookings = function(bookings, n) {
+    let delta = new Array(n).fill(0);
+    for (let book of bookings) {
+        let [start, end, num] = book;
+        start -= 1;
+        delta[start] += num;
+        if (end != n) {
+            delta[end] -= num;
+        }
+    }
+    for (let i = 1; i < n; i++) {
+        delta[i] += delta[i - 1];
+    }
+    return delta;
+};
\ No newline at end of file