feat: add js solution to lc problem: No.0022

Author: rain84

solution/0000-0099/0022.Generate Parentheses/README.md

@@ -278,6 +278,22 @@ function generateParenthesis(n: number): string[] {
 }
 ```
 
+#### JavaScript
+
+```js
+function generateParenthesis(n) {
+    if (n === 1) return ['()'];
+
+    return [
+        ...new Set(
+            generateParenthesis(n - 1).flatMap(s =>
+                Array.from(s, (_, i) => s.slice(0, i) + '()' + s.slice(i)),
+            ),
+        ),
+    ];
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/0000-0099/0022.Generate Parentheses/README_EN.md

@@ -275,6 +275,22 @@ function generateParenthesis(n: number): string[] {
 }
 ```
 
+#### JavaScript
+
+```js
+function generateParenthesis(n) {
+    if (n === 1) return ['()'];
+
+    return [
+        ...new Set(
+            generateParenthesis(n - 1).flatMap(s =>
+                Array.from(s, (_, i) => s.slice(0, i) + '()' + s.slice(i)),
+            ),
+        ),
+    ];
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/0000-0099/0022.Generate Parentheses/Solution2.js

@@ -0,0 +1,11 @@
+function generateParenthesis(n) {
+    if (n === 1) return ['()'];
+
+    return [
+        ...new Set(
+            generateParenthesis(n - 1).flatMap(s =>
+                Array.from(s, (_, i) => s.slice(0, i) + '()' + s.slice(i)),
+            ),
+        ),
+    ];
+}