diff --git "a/leetcode3/\354\240\225\354\247\204\354\230\201/14. Longest Common Prefix" "b/leetcode3/\354\240\225\354\247\204\354\230\201/14. Longest Common Prefix"
new file mode 100644
index 00000000..475ce80d
--- /dev/null
+++ "b/leetcode3/\354\240\225\354\247\204\354\230\201/14. Longest Common Prefix"	
@@ -0,0 +1,19 @@
+/**
+ * @param {string[]} strs
+ * @return {string}
+ */
+var longestCommonPrefix = function(strs) {
+
+    let ans = "";
+
+    for (let i = 0; i<strs[0].length; i++){
+        for(let j = 1; j<strs.length; j++){
+            if (strs[0][i] !== strs[j][i]) {
+                return ans;
+            }
+        }
+
+        ans += strs[0][i];
+    }
+    return ans;
+};