diff --git a/problems/0018.四数之和.md b/problems/0018.四数之和.md
index ff441bf7..067386bb 100644
--- a/problems/0018.四数之和.md
+++ b/problems/0018.四数之和.md
@@ -169,7 +169,39 @@ Python：
 
 Go：
 
+javaScript: 
 
+```js
+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number[][]}
+ */
+var fourSum = function(nums, target) {
+    const len = nums.length;
+    if(len < 4) return [];
+    nums.sort((a, b) => a - b);
+    const res = [];
+    for(let i = 0; i < len - 3; i++) {
+        // 去重i
+        if(i > 0 && nums[i] === nums[i - 1]) continue;
+        for(let j = i + 1; j < len - 2; j++) {
+            // 去重j
+            if(j > i + 1 && nums[j] === nums[j - 1]) continue;
+            let l = j + 1, r = len - 1;
+            while(l < r) {
+                const sum = nums[i] + nums[j] + nums[l] + nums[r];
+                if(sum < target) { l++; continue}
+                if(sum > target) { r--; continue}
+                res.push([nums[i], nums[j], nums[l], nums[r]]);
+                while(l < r && nums[l] === nums[++l]);
+                while(l < r && nums[r] === nums[--r]);
+            }
+        } 
+    }
+    return res;
+};
+```
 
 
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