diff --git a/src/leecode/javascript/86.分隔链表.js b/src/leecode/javascript/86.分隔链表.js
new file mode 100644
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+++ b/src/leecode/javascript/86.分隔链表.js
@@ -0,0 +1,40 @@
+/*
+ * @lc app=leetcode.cn id=86 lang=javascript
+ *
+ * [86] 分隔链表
+ */
+
+// @lc code=start
+/**
+ * Definition for singly-linked list.
+ * function ListNode(val, next) {
+ *     this.val = (val===undefined ? 0 : val)
+ *     this.next = (next===undefined ? null : next)
+ * }
+ */
+/**
+ * @param {ListNode} head
+ * @param {number} x
+ * @return {ListNode}
+ */
+var partition = function(head, x) {
+  const minHead = new ListNode(0);
+  const maxHead = new ListNode(0);
+  let cur = head;
+  let minCur = minHead;
+  let maxCur = maxHead;
+  while (cur != null) {
+    if (cur.val < x) {
+      minCur.next = new ListNode(cur.val);
+      minCur = minCur.next;
+    } else {
+      maxCur.next = new ListNode(cur.val)
+      maxCur = maxCur.next;
+    }
+    cur = cur.next;
+  }
+  minCur.next = maxHead.next;
+  return minHead.next;
+};
+// @lc code=end
+